v4.19.13 snapshot.
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
new file mode 100644
index 0000000..cb587dc
--- /dev/null
+++ b/sound/pci/hda/patch_hdmi.c
@@ -0,0 +1,3915 @@
+/*
+ *
+ * patch_hdmi.c - routines for HDMI/DisplayPort codecs
+ *
+ * Copyright(c) 2008-2010 Intel Corporation. All rights reserved.
+ * Copyright (c) 2006 ATI Technologies Inc.
+ * Copyright (c) 2008 NVIDIA Corp. All rights reserved.
+ * Copyright (c) 2008 Wei Ni <wni@nvidia.com>
+ * Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi>
+ *
+ * Authors:
+ * Wu Fengguang <wfg@linux.intel.com>
+ *
+ * Maintained by:
+ * Wu Fengguang <wfg@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/pm_runtime.h>
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/asoundef.h>
+#include <sound/tlv.h>
+#include <sound/hdaudio.h>
+#include <sound/hda_i915.h>
+#include <sound/hda_chmap.h>
+#include "hda_codec.h"
+#include "hda_local.h"
+#include "hda_jack.h"
+
+static bool static_hdmi_pcm;
+module_param(static_hdmi_pcm, bool, 0644);
+MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
+
+#define is_haswell(codec) ((codec)->core.vendor_id == 0x80862807)
+#define is_broadwell(codec) ((codec)->core.vendor_id == 0x80862808)
+#define is_skylake(codec) ((codec)->core.vendor_id == 0x80862809)
+#define is_broxton(codec) ((codec)->core.vendor_id == 0x8086280a)
+#define is_kabylake(codec) ((codec)->core.vendor_id == 0x8086280b)
+#define is_geminilake(codec) (((codec)->core.vendor_id == 0x8086280d) || \
+ ((codec)->core.vendor_id == 0x80862800))
+#define is_cannonlake(codec) ((codec)->core.vendor_id == 0x8086280c)
+#define is_haswell_plus(codec) (is_haswell(codec) || is_broadwell(codec) \
+ || is_skylake(codec) || is_broxton(codec) \
+ || is_kabylake(codec)) || is_geminilake(codec) \
+ || is_cannonlake(codec)
+#define is_valleyview(codec) ((codec)->core.vendor_id == 0x80862882)
+#define is_cherryview(codec) ((codec)->core.vendor_id == 0x80862883)
+#define is_valleyview_plus(codec) (is_valleyview(codec) || is_cherryview(codec))
+
+struct hdmi_spec_per_cvt {
+ hda_nid_t cvt_nid;
+ int assigned;
+ unsigned int channels_min;
+ unsigned int channels_max;
+ u32 rates;
+ u64 formats;
+ unsigned int maxbps;
+};
+
+/* max. connections to a widget */
+#define HDA_MAX_CONNECTIONS 32
+
+struct hdmi_spec_per_pin {
+ hda_nid_t pin_nid;
+ int dev_id;
+ /* pin idx, different device entries on the same pin use the same idx */
+ int pin_nid_idx;
+ int num_mux_nids;
+ hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
+ int mux_idx;
+ hda_nid_t cvt_nid;
+
+ struct hda_codec *codec;
+ struct hdmi_eld sink_eld;
+ struct mutex lock;
+ struct delayed_work work;
+ struct hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/
+ int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */
+ int repoll_count;
+ bool setup; /* the stream has been set up by prepare callback */
+ int channels; /* current number of channels */
+ bool non_pcm;
+ bool chmap_set; /* channel-map override by ALSA API? */
+ unsigned char chmap[8]; /* ALSA API channel-map */
+#ifdef CONFIG_SND_PROC_FS
+ struct snd_info_entry *proc_entry;
+#endif
+};
+
+/* operations used by generic code that can be overridden by patches */
+struct hdmi_ops {
+ int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
+ unsigned char *buf, int *eld_size);
+
+ void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid,
+ int ca, int active_channels, int conn_type);
+
+ /* enable/disable HBR (HD passthrough) */
+ int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid, bool hbr);
+
+ int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid,
+ hda_nid_t pin_nid, u32 stream_tag, int format);
+
+ void (*pin_cvt_fixup)(struct hda_codec *codec,
+ struct hdmi_spec_per_pin *per_pin,
+ hda_nid_t cvt_nid);
+};
+
+struct hdmi_pcm {
+ struct hda_pcm *pcm;
+ struct snd_jack *jack;
+ struct snd_kcontrol *eld_ctl;
+};
+
+struct hdmi_spec {
+ int num_cvts;
+ struct snd_array cvts; /* struct hdmi_spec_per_cvt */
+ hda_nid_t cvt_nids[4]; /* only for haswell fix */
+
+ /*
+ * num_pins is the number of virtual pins
+ * for example, there are 3 pins, and each pin
+ * has 4 device entries, then the num_pins is 12
+ */
+ int num_pins;
+ /*
+ * num_nids is the number of real pins
+ * In the above example, num_nids is 3
+ */
+ int num_nids;
+ /*
+ * dev_num is the number of device entries
+ * on each pin.
+ * In the above example, dev_num is 4
+ */
+ int dev_num;
+ struct snd_array pins; /* struct hdmi_spec_per_pin */
+ struct hdmi_pcm pcm_rec[16];
+ struct mutex pcm_lock;
+ /* pcm_bitmap means which pcms have been assigned to pins*/
+ unsigned long pcm_bitmap;
+ int pcm_used; /* counter of pcm_rec[] */
+ /* bitmap shows whether the pcm is opened in user space
+ * bit 0 means the first playback PCM (PCM3);
+ * bit 1 means the second playback PCM, and so on.
+ */
+ unsigned long pcm_in_use;
+
+ struct hdmi_eld temp_eld;
+ struct hdmi_ops ops;
+
+ bool dyn_pin_out;
+ bool dyn_pcm_assign;
+ /*
+ * Non-generic VIA/NVIDIA specific
+ */
+ struct hda_multi_out multiout;
+ struct hda_pcm_stream pcm_playback;
+
+ /* i915/powerwell (Haswell+/Valleyview+) specific */
+ bool use_acomp_notifier; /* use i915 eld_notify callback for hotplug */
+ struct drm_audio_component_audio_ops drm_audio_ops;
+
+ struct hdac_chmap chmap;
+ hda_nid_t vendor_nid;
+};
+
+#ifdef CONFIG_SND_HDA_COMPONENT
+static inline bool codec_has_acomp(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ return spec->use_acomp_notifier;
+}
+#else
+#define codec_has_acomp(codec) false
+#endif
+
+struct hdmi_audio_infoframe {
+ u8 type; /* 0x84 */
+ u8 ver; /* 0x01 */
+ u8 len; /* 0x0a */
+
+ u8 checksum;
+
+ u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
+ u8 SS01_SF24;
+ u8 CXT04;
+ u8 CA;
+ u8 LFEPBL01_LSV36_DM_INH7;
+};
+
+struct dp_audio_infoframe {
+ u8 type; /* 0x84 */
+ u8 len; /* 0x1b */
+ u8 ver; /* 0x11 << 2 */
+
+ u8 CC02_CT47; /* match with HDMI infoframe from this on */
+ u8 SS01_SF24;
+ u8 CXT04;
+ u8 CA;
+ u8 LFEPBL01_LSV36_DM_INH7;
+};
+
+union audio_infoframe {
+ struct hdmi_audio_infoframe hdmi;
+ struct dp_audio_infoframe dp;
+ u8 bytes[0];
+};
+
+/*
+ * HDMI routines
+ */
+
+#define get_pin(spec, idx) \
+ ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
+#define get_cvt(spec, idx) \
+ ((struct hdmi_spec_per_cvt *)snd_array_elem(&spec->cvts, idx))
+/* obtain hdmi_pcm object assigned to idx */
+#define get_hdmi_pcm(spec, idx) (&(spec)->pcm_rec[idx])
+/* obtain hda_pcm object assigned to idx */
+#define get_pcm_rec(spec, idx) (get_hdmi_pcm(spec, idx)->pcm)
+
+static int pin_id_to_pin_index(struct hda_codec *codec,
+ hda_nid_t pin_nid, int dev_id)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int pin_idx;
+ struct hdmi_spec_per_pin *per_pin;
+
+ /*
+ * (dev_id == -1) means it is NON-MST pin
+ * return the first virtual pin on this port
+ */
+ if (dev_id == -1)
+ dev_id = 0;
+
+ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
+ per_pin = get_pin(spec, pin_idx);
+ if ((per_pin->pin_nid == pin_nid) &&
+ (per_pin->dev_id == dev_id))
+ return pin_idx;
+ }
+
+ codec_warn(codec, "HDMI: pin nid %d not registered\n", pin_nid);
+ return -EINVAL;
+}
+
+static int hinfo_to_pcm_index(struct hda_codec *codec,
+ struct hda_pcm_stream *hinfo)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int pcm_idx;
+
+ for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++)
+ if (get_pcm_rec(spec, pcm_idx)->stream == hinfo)
+ return pcm_idx;
+
+ codec_warn(codec, "HDMI: hinfo %p not registered\n", hinfo);
+ return -EINVAL;
+}
+
+static int hinfo_to_pin_index(struct hda_codec *codec,
+ struct hda_pcm_stream *hinfo)
+{
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_spec_per_pin *per_pin;
+ int pin_idx;
+
+ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
+ per_pin = get_pin(spec, pin_idx);
+ if (per_pin->pcm &&
+ per_pin->pcm->pcm->stream == hinfo)
+ return pin_idx;
+ }
+
+ codec_dbg(codec, "HDMI: hinfo %p not registered\n", hinfo);
+ return -EINVAL;
+}
+
+static struct hdmi_spec_per_pin *pcm_idx_to_pin(struct hdmi_spec *spec,
+ int pcm_idx)
+{
+ int i;
+ struct hdmi_spec_per_pin *per_pin;
+
+ for (i = 0; i < spec->num_pins; i++) {
+ per_pin = get_pin(spec, i);
+ if (per_pin->pcm_idx == pcm_idx)
+ return per_pin;
+ }
+ return NULL;
+}
+
+static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int cvt_idx;
+
+ for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
+ if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
+ return cvt_idx;
+
+ codec_warn(codec, "HDMI: cvt nid %d not registered\n", cvt_nid);
+ return -EINVAL;
+}
+
+static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_spec_per_pin *per_pin;
+ struct hdmi_eld *eld;
+ int pcm_idx;
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
+
+ pcm_idx = kcontrol->private_value;
+ mutex_lock(&spec->pcm_lock);
+ per_pin = pcm_idx_to_pin(spec, pcm_idx);
+ if (!per_pin) {
+ /* no pin is bound to the pcm */
+ uinfo->count = 0;
+ goto unlock;
+ }
+ eld = &per_pin->sink_eld;
+ uinfo->count = eld->eld_valid ? eld->eld_size : 0;
+
+ unlock:
+ mutex_unlock(&spec->pcm_lock);
+ return 0;
+}
+
+static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_spec_per_pin *per_pin;
+ struct hdmi_eld *eld;
+ int pcm_idx;
+ int err = 0;
+
+ pcm_idx = kcontrol->private_value;
+ mutex_lock(&spec->pcm_lock);
+ per_pin = pcm_idx_to_pin(spec, pcm_idx);
+ if (!per_pin) {
+ /* no pin is bound to the pcm */
+ memset(ucontrol->value.bytes.data, 0,
+ ARRAY_SIZE(ucontrol->value.bytes.data));
+ goto unlock;
+ }
+
+ eld = &per_pin->sink_eld;
+ if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) ||
+ eld->eld_size > ELD_MAX_SIZE) {
+ snd_BUG();
+ err = -EINVAL;
+ goto unlock;
+ }
+
+ memset(ucontrol->value.bytes.data, 0,
+ ARRAY_SIZE(ucontrol->value.bytes.data));
+ if (eld->eld_valid)
+ memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
+ eld->eld_size);
+
+ unlock:
+ mutex_unlock(&spec->pcm_lock);
+ return err;
+}
+
+static const struct snd_kcontrol_new eld_bytes_ctl = {
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "ELD",
+ .info = hdmi_eld_ctl_info,
+ .get = hdmi_eld_ctl_get,
+};
+
+static int hdmi_create_eld_ctl(struct hda_codec *codec, int pcm_idx,
+ int device)
+{
+ struct snd_kcontrol *kctl;
+ struct hdmi_spec *spec = codec->spec;
+ int err;
+
+ kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
+ if (!kctl)
+ return -ENOMEM;
+ kctl->private_value = pcm_idx;
+ kctl->id.device = device;
+
+ /* no pin nid is associated with the kctl now
+ * tbd: associate pin nid to eld ctl later
+ */
+ err = snd_hda_ctl_add(codec, 0, kctl);
+ if (err < 0)
+ return err;
+
+ get_hdmi_pcm(spec, pcm_idx)->eld_ctl = kctl;
+ return 0;
+}
+
+#ifdef BE_PARANOID
+static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
+ int *packet_index, int *byte_index)
+{
+ int val;
+
+ val = snd_hda_codec_read(codec, pin_nid, 0,
+ AC_VERB_GET_HDMI_DIP_INDEX, 0);
+
+ *packet_index = val >> 5;
+ *byte_index = val & 0x1f;
+}
+#endif
+
+static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
+ int packet_index, int byte_index)
+{
+ int val;
+
+ val = (packet_index << 5) | (byte_index & 0x1f);
+
+ snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
+}
+
+static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
+ unsigned char val)
+{
+ snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
+}
+
+static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int pin_out;
+
+ /* Unmute */
+ if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
+ snd_hda_codec_write(codec, pin_nid, 0,
+ AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
+
+ if (spec->dyn_pin_out)
+ /* Disable pin out until stream is active */
+ pin_out = 0;
+ else
+ /* Enable pin out: some machines with GM965 gets broken output
+ * when the pin is disabled or changed while using with HDMI
+ */
+ pin_out = PIN_OUT;
+
+ snd_hda_codec_write(codec, pin_nid, 0,
+ AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out);
+}
+
+/*
+ * ELD proc files
+ */
+
+#ifdef CONFIG_SND_PROC_FS
+static void print_eld_info(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct hdmi_spec_per_pin *per_pin = entry->private_data;
+
+ mutex_lock(&per_pin->lock);
+ snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer);
+ mutex_unlock(&per_pin->lock);
+}
+
+static void write_eld_info(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct hdmi_spec_per_pin *per_pin = entry->private_data;
+
+ mutex_lock(&per_pin->lock);
+ snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer);
+ mutex_unlock(&per_pin->lock);
+}
+
+static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index)
+{
+ char name[32];
+ struct hda_codec *codec = per_pin->codec;
+ struct snd_info_entry *entry;
+ int err;
+
+ snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index);
+ err = snd_card_proc_new(codec->card, name, &entry);
+ if (err < 0)
+ return err;
+
+ snd_info_set_text_ops(entry, per_pin, print_eld_info);
+ entry->c.text.write = write_eld_info;
+ entry->mode |= 0200;
+ per_pin->proc_entry = entry;
+
+ return 0;
+}
+
+static void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
+{
+ if (!per_pin->codec->bus->shutdown) {
+ snd_info_free_entry(per_pin->proc_entry);
+ per_pin->proc_entry = NULL;
+ }
+}
+#else
+static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin,
+ int index)
+{
+ return 0;
+}
+static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
+{
+}
+#endif
+
+/*
+ * Audio InfoFrame routines
+ */
+
+/*
+ * Enable Audio InfoFrame Transmission
+ */
+static void hdmi_start_infoframe_trans(struct hda_codec *codec,
+ hda_nid_t pin_nid)
+{
+ hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
+ snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
+ AC_DIPXMIT_BEST);
+}
+
+/*
+ * Disable Audio InfoFrame Transmission
+ */
+static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
+ hda_nid_t pin_nid)
+{
+ hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
+ snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
+ AC_DIPXMIT_DISABLE);
+}
+
+static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
+{
+#ifdef CONFIG_SND_DEBUG_VERBOSE
+ int i;
+ int size;
+
+ size = snd_hdmi_get_eld_size(codec, pin_nid);
+ codec_dbg(codec, "HDMI: ELD buf size is %d\n", size);
+
+ for (i = 0; i < 8; i++) {
+ size = snd_hda_codec_read(codec, pin_nid, 0,
+ AC_VERB_GET_HDMI_DIP_SIZE, i);
+ codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size);
+ }
+#endif
+}
+
+static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
+{
+#ifdef BE_PARANOID
+ int i, j;
+ int size;
+ int pi, bi;
+ for (i = 0; i < 8; i++) {
+ size = snd_hda_codec_read(codec, pin_nid, 0,
+ AC_VERB_GET_HDMI_DIP_SIZE, i);
+ if (size == 0)
+ continue;
+
+ hdmi_set_dip_index(codec, pin_nid, i, 0x0);
+ for (j = 1; j < 1000; j++) {
+ hdmi_write_dip_byte(codec, pin_nid, 0x0);
+ hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
+ if (pi != i)
+ codec_dbg(codec, "dip index %d: %d != %d\n",
+ bi, pi, i);
+ if (bi == 0) /* byte index wrapped around */
+ break;
+ }
+ codec_dbg(codec,
+ "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
+ i, size, j);
+ }
+#endif
+}
+
+static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
+{
+ u8 *bytes = (u8 *)hdmi_ai;
+ u8 sum = 0;
+ int i;
+
+ hdmi_ai->checksum = 0;
+
+ for (i = 0; i < sizeof(*hdmi_ai); i++)
+ sum += bytes[i];
+
+ hdmi_ai->checksum = -sum;
+}
+
+static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
+ hda_nid_t pin_nid,
+ u8 *dip, int size)
+{
+ int i;
+
+ hdmi_debug_dip_size(codec, pin_nid);
+ hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
+
+ hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
+ for (i = 0; i < size; i++)
+ hdmi_write_dip_byte(codec, pin_nid, dip[i]);
+}
+
+static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
+ u8 *dip, int size)
+{
+ u8 val;
+ int i;
+
+ if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
+ != AC_DIPXMIT_BEST)
+ return false;
+
+ hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
+ for (i = 0; i < size; i++) {
+ val = snd_hda_codec_read(codec, pin_nid, 0,
+ AC_VERB_GET_HDMI_DIP_DATA, 0);
+ if (val != dip[i])
+ return false;
+ }
+
+ return true;
+}
+
+static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
+ hda_nid_t pin_nid,
+ int ca, int active_channels,
+ int conn_type)
+{
+ union audio_infoframe ai;
+
+ memset(&ai, 0, sizeof(ai));
+ if (conn_type == 0) { /* HDMI */
+ struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
+
+ hdmi_ai->type = 0x84;
+ hdmi_ai->ver = 0x01;
+ hdmi_ai->len = 0x0a;
+ hdmi_ai->CC02_CT47 = active_channels - 1;
+ hdmi_ai->CA = ca;
+ hdmi_checksum_audio_infoframe(hdmi_ai);
+ } else if (conn_type == 1) { /* DisplayPort */
+ struct dp_audio_infoframe *dp_ai = &ai.dp;
+
+ dp_ai->type = 0x84;
+ dp_ai->len = 0x1b;
+ dp_ai->ver = 0x11 << 2;
+ dp_ai->CC02_CT47 = active_channels - 1;
+ dp_ai->CA = ca;
+ } else {
+ codec_dbg(codec, "HDMI: unknown connection type at pin %d\n",
+ pin_nid);
+ return;
+ }
+
+ /*
+ * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
+ * sizeof(*dp_ai) to avoid partial match/update problems when
+ * the user switches between HDMI/DP monitors.
+ */
+ if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
+ sizeof(ai))) {
+ codec_dbg(codec,
+ "hdmi_pin_setup_infoframe: pin=%d channels=%d ca=0x%02x\n",
+ pin_nid,
+ active_channels, ca);
+ hdmi_stop_infoframe_trans(codec, pin_nid);
+ hdmi_fill_audio_infoframe(codec, pin_nid,
+ ai.bytes, sizeof(ai));
+ hdmi_start_infoframe_trans(codec, pin_nid);
+ }
+}
+
+static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
+ struct hdmi_spec_per_pin *per_pin,
+ bool non_pcm)
+{
+ struct hdmi_spec *spec = codec->spec;
+ struct hdac_chmap *chmap = &spec->chmap;
+ hda_nid_t pin_nid = per_pin->pin_nid;
+ int channels = per_pin->channels;
+ int active_channels;
+ struct hdmi_eld *eld;
+ int ca;
+
+ if (!channels)
+ return;
+
+ /* some HW (e.g. HSW+) needs reprogramming the amp at each time */
+ if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
+ snd_hda_codec_write(codec, pin_nid, 0,
+ AC_VERB_SET_AMP_GAIN_MUTE,
+ AMP_OUT_UNMUTE);
+
+ eld = &per_pin->sink_eld;
+
+ ca = snd_hdac_channel_allocation(&codec->core,
+ eld->info.spk_alloc, channels,
+ per_pin->chmap_set, non_pcm, per_pin->chmap);
+
+ active_channels = snd_hdac_get_active_channels(ca);
+
+ chmap->ops.set_channel_count(&codec->core, per_pin->cvt_nid,
+ active_channels);
+
+ /*
+ * always configure channel mapping, it may have been changed by the
+ * user in the meantime
+ */
+ snd_hdac_setup_channel_mapping(&spec->chmap,
+ pin_nid, non_pcm, ca, channels,
+ per_pin->chmap, per_pin->chmap_set);
+
+ spec->ops.pin_setup_infoframe(codec, pin_nid, ca, active_channels,
+ eld->info.conn_type);
+
+ per_pin->non_pcm = non_pcm;
+}
+
+/*
+ * Unsolicited events
+ */
+
+static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
+
+static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid,
+ int dev_id)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int pin_idx = pin_id_to_pin_index(codec, nid, dev_id);
+
+ if (pin_idx < 0)
+ return;
+ mutex_lock(&spec->pcm_lock);
+ if (hdmi_present_sense(get_pin(spec, pin_idx), 1))
+ snd_hda_jack_report_sync(codec);
+ mutex_unlock(&spec->pcm_lock);
+}
+
+static void jack_callback(struct hda_codec *codec,
+ struct hda_jack_callback *jack)
+{
+ /* hda_jack don't support DP MST */
+ check_presence_and_report(codec, jack->nid, 0);
+}
+
+static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
+{
+ int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
+ struct hda_jack_tbl *jack;
+ int dev_entry = (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
+
+ /*
+ * assume DP MST uses dyn_pcm_assign and acomp and
+ * never comes here
+ * if DP MST supports unsol event, below code need
+ * consider dev_entry
+ */
+ jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
+ if (!jack)
+ return;
+ jack->jack_dirty = 1;
+
+ codec_dbg(codec,
+ "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
+ codec->addr, jack->nid, dev_entry, !!(res & AC_UNSOL_RES_IA),
+ !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
+
+ /* hda_jack don't support DP MST */
+ check_presence_and_report(codec, jack->nid, 0);
+}
+
+static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
+{
+ int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
+ int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
+ int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
+ int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
+
+ codec_info(codec,
+ "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
+ codec->addr,
+ tag,
+ subtag,
+ cp_state,
+ cp_ready);
+
+ /* TODO */
+ if (cp_state)
+ ;
+ if (cp_ready)
+ ;
+}
+
+
+static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
+{
+ int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
+ int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
+
+ if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
+ codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag);
+ return;
+ }
+
+ if (subtag == 0)
+ hdmi_intrinsic_event(codec, res);
+ else
+ hdmi_non_intrinsic_event(codec, res);
+}
+
+static void haswell_verify_D0(struct hda_codec *codec,
+ hda_nid_t cvt_nid, hda_nid_t nid)
+{
+ int pwr;
+
+ /* For Haswell, the converter 1/2 may keep in D3 state after bootup,
+ * thus pins could only choose converter 0 for use. Make sure the
+ * converters are in correct power state */
+ if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
+ snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
+
+ if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
+ snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
+ AC_PWRST_D0);
+ msleep(40);
+ pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
+ pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
+ codec_dbg(codec, "Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr);
+ }
+}
+
+/*
+ * Callbacks
+ */
+
+/* HBR should be Non-PCM, 8 channels */
+#define is_hbr_format(format) \
+ ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
+
+static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
+ bool hbr)
+{
+ int pinctl, new_pinctl;
+
+ if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
+ pinctl = snd_hda_codec_read(codec, pin_nid, 0,
+ AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
+
+ if (pinctl < 0)
+ return hbr ? -EINVAL : 0;
+
+ new_pinctl = pinctl & ~AC_PINCTL_EPT;
+ if (hbr)
+ new_pinctl |= AC_PINCTL_EPT_HBR;
+ else
+ new_pinctl |= AC_PINCTL_EPT_NATIVE;
+
+ codec_dbg(codec,
+ "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n",
+ pin_nid,
+ pinctl == new_pinctl ? "" : "new-",
+ new_pinctl);
+
+ if (pinctl != new_pinctl)
+ snd_hda_codec_write(codec, pin_nid, 0,
+ AC_VERB_SET_PIN_WIDGET_CONTROL,
+ new_pinctl);
+ } else if (hbr)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
+ hda_nid_t pin_nid, u32 stream_tag, int format)
+{
+ struct hdmi_spec *spec = codec->spec;
+ unsigned int param;
+ int err;
+
+ err = spec->ops.pin_hbr_setup(codec, pin_nid, is_hbr_format(format));
+
+ if (err) {
+ codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n");
+ return err;
+ }
+
+ if (is_haswell_plus(codec)) {
+
+ /*
+ * on recent platforms IEC Coding Type is required for HBR
+ * support, read current Digital Converter settings and set
+ * ICT bitfield if needed.
+ */
+ param = snd_hda_codec_read(codec, cvt_nid, 0,
+ AC_VERB_GET_DIGI_CONVERT_1, 0);
+
+ param = (param >> 16) & ~(AC_DIG3_ICT);
+
+ /* on recent platforms ICT mode is required for HBR support */
+ if (is_hbr_format(format))
+ param |= 0x1;
+
+ snd_hda_codec_write(codec, cvt_nid, 0,
+ AC_VERB_SET_DIGI_CONVERT_3, param);
+ }
+
+ snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
+ return 0;
+}
+
+/* Try to find an available converter
+ * If pin_idx is less then zero, just try to find an available converter.
+ * Otherwise, try to find an available converter and get the cvt mux index
+ * of the pin.
+ */
+static int hdmi_choose_cvt(struct hda_codec *codec,
+ int pin_idx, int *cvt_id)
+{
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_spec_per_pin *per_pin;
+ struct hdmi_spec_per_cvt *per_cvt = NULL;
+ int cvt_idx, mux_idx = 0;
+
+ /* pin_idx < 0 means no pin will be bound to the converter */
+ if (pin_idx < 0)
+ per_pin = NULL;
+ else
+ per_pin = get_pin(spec, pin_idx);
+
+ /* Dynamically assign converter to stream */
+ for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
+ per_cvt = get_cvt(spec, cvt_idx);
+
+ /* Must not already be assigned */
+ if (per_cvt->assigned)
+ continue;
+ if (per_pin == NULL)
+ break;
+ /* Must be in pin's mux's list of converters */
+ for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
+ if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
+ break;
+ /* Not in mux list */
+ if (mux_idx == per_pin->num_mux_nids)
+ continue;
+ break;
+ }
+
+ /* No free converters */
+ if (cvt_idx == spec->num_cvts)
+ return -EBUSY;
+
+ if (per_pin != NULL)
+ per_pin->mux_idx = mux_idx;
+
+ if (cvt_id)
+ *cvt_id = cvt_idx;
+
+ return 0;
+}
+
+/* Assure the pin select the right convetor */
+static void intel_verify_pin_cvt_connect(struct hda_codec *codec,
+ struct hdmi_spec_per_pin *per_pin)
+{
+ hda_nid_t pin_nid = per_pin->pin_nid;
+ int mux_idx, curr;
+
+ mux_idx = per_pin->mux_idx;
+ curr = snd_hda_codec_read(codec, pin_nid, 0,
+ AC_VERB_GET_CONNECT_SEL, 0);
+ if (curr != mux_idx)
+ snd_hda_codec_write_cache(codec, pin_nid, 0,
+ AC_VERB_SET_CONNECT_SEL,
+ mux_idx);
+}
+
+/* get the mux index for the converter of the pins
+ * converter's mux index is the same for all pins on Intel platform
+ */
+static int intel_cvt_id_to_mux_idx(struct hdmi_spec *spec,
+ hda_nid_t cvt_nid)
+{
+ int i;
+
+ for (i = 0; i < spec->num_cvts; i++)
+ if (spec->cvt_nids[i] == cvt_nid)
+ return i;
+ return -EINVAL;
+}
+
+/* Intel HDMI workaround to fix audio routing issue:
+ * For some Intel display codecs, pins share the same connection list.
+ * So a conveter can be selected by multiple pins and playback on any of these
+ * pins will generate sound on the external display, because audio flows from
+ * the same converter to the display pipeline. Also muting one pin may make
+ * other pins have no sound output.
+ * So this function assures that an assigned converter for a pin is not selected
+ * by any other pins.
+ */
+static void intel_not_share_assigned_cvt(struct hda_codec *codec,
+ hda_nid_t pin_nid,
+ int dev_id, int mux_idx)
+{
+ struct hdmi_spec *spec = codec->spec;
+ hda_nid_t nid;
+ int cvt_idx, curr;
+ struct hdmi_spec_per_cvt *per_cvt;
+ struct hdmi_spec_per_pin *per_pin;
+ int pin_idx;
+
+ /* configure the pins connections */
+ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
+ int dev_id_saved;
+ int dev_num;
+
+ per_pin = get_pin(spec, pin_idx);
+ /*
+ * pin not connected to monitor
+ * no need to operate on it
+ */
+ if (!per_pin->pcm)
+ continue;
+
+ if ((per_pin->pin_nid == pin_nid) &&
+ (per_pin->dev_id == dev_id))
+ continue;
+
+ /*
+ * if per_pin->dev_id >= dev_num,
+ * snd_hda_get_dev_select() will fail,
+ * and the following operation is unpredictable.
+ * So skip this situation.
+ */
+ dev_num = snd_hda_get_num_devices(codec, per_pin->pin_nid) + 1;
+ if (per_pin->dev_id >= dev_num)
+ continue;
+
+ nid = per_pin->pin_nid;
+
+ /*
+ * Calling this function should not impact
+ * on the device entry selection
+ * So let's save the dev id for each pin,
+ * and restore it when return
+ */
+ dev_id_saved = snd_hda_get_dev_select(codec, nid);
+ snd_hda_set_dev_select(codec, nid, per_pin->dev_id);
+ curr = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_CONNECT_SEL, 0);
+ if (curr != mux_idx) {
+ snd_hda_set_dev_select(codec, nid, dev_id_saved);
+ continue;
+ }
+
+
+ /* choose an unassigned converter. The conveters in the
+ * connection list are in the same order as in the codec.
+ */
+ for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
+ per_cvt = get_cvt(spec, cvt_idx);
+ if (!per_cvt->assigned) {
+ codec_dbg(codec,
+ "choose cvt %d for pin nid %d\n",
+ cvt_idx, nid);
+ snd_hda_codec_write_cache(codec, nid, 0,
+ AC_VERB_SET_CONNECT_SEL,
+ cvt_idx);
+ break;
+ }
+ }
+ snd_hda_set_dev_select(codec, nid, dev_id_saved);
+ }
+}
+
+/* A wrapper of intel_not_share_asigned_cvt() */
+static void intel_not_share_assigned_cvt_nid(struct hda_codec *codec,
+ hda_nid_t pin_nid, int dev_id, hda_nid_t cvt_nid)
+{
+ int mux_idx;
+ struct hdmi_spec *spec = codec->spec;
+
+ /* On Intel platform, the mapping of converter nid to
+ * mux index of the pins are always the same.
+ * The pin nid may be 0, this means all pins will not
+ * share the converter.
+ */
+ mux_idx = intel_cvt_id_to_mux_idx(spec, cvt_nid);
+ if (mux_idx >= 0)
+ intel_not_share_assigned_cvt(codec, pin_nid, dev_id, mux_idx);
+}
+
+/* skeleton caller of pin_cvt_fixup ops */
+static void pin_cvt_fixup(struct hda_codec *codec,
+ struct hdmi_spec_per_pin *per_pin,
+ hda_nid_t cvt_nid)
+{
+ struct hdmi_spec *spec = codec->spec;
+
+ if (spec->ops.pin_cvt_fixup)
+ spec->ops.pin_cvt_fixup(codec, per_pin, cvt_nid);
+}
+
+/* called in hdmi_pcm_open when no pin is assigned to the PCM
+ * in dyn_pcm_assign mode.
+ */
+static int hdmi_pcm_open_no_pin(struct hda_pcm_stream *hinfo,
+ struct hda_codec *codec,
+ struct snd_pcm_substream *substream)
+{
+ struct hdmi_spec *spec = codec->spec;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int cvt_idx, pcm_idx;
+ struct hdmi_spec_per_cvt *per_cvt = NULL;
+ int err;
+
+ pcm_idx = hinfo_to_pcm_index(codec, hinfo);
+ if (pcm_idx < 0)
+ return -EINVAL;
+
+ err = hdmi_choose_cvt(codec, -1, &cvt_idx);
+ if (err)
+ return err;
+
+ per_cvt = get_cvt(spec, cvt_idx);
+ per_cvt->assigned = 1;
+ hinfo->nid = per_cvt->cvt_nid;
+
+ pin_cvt_fixup(codec, NULL, per_cvt->cvt_nid);
+
+ set_bit(pcm_idx, &spec->pcm_in_use);
+ /* todo: setup spdif ctls assign */
+
+ /* Initially set the converter's capabilities */
+ hinfo->channels_min = per_cvt->channels_min;
+ hinfo->channels_max = per_cvt->channels_max;
+ hinfo->rates = per_cvt->rates;
+ hinfo->formats = per_cvt->formats;
+ hinfo->maxbps = per_cvt->maxbps;
+
+ /* Store the updated parameters */
+ runtime->hw.channels_min = hinfo->channels_min;
+ runtime->hw.channels_max = hinfo->channels_max;
+ runtime->hw.formats = hinfo->formats;
+ runtime->hw.rates = hinfo->rates;
+
+ snd_pcm_hw_constraint_step(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_CHANNELS, 2);
+ return 0;
+}
+
+/*
+ * HDA PCM callbacks
+ */
+static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
+ struct hda_codec *codec,
+ struct snd_pcm_substream *substream)
+{
+ struct hdmi_spec *spec = codec->spec;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int pin_idx, cvt_idx, pcm_idx;
+ struct hdmi_spec_per_pin *per_pin;
+ struct hdmi_eld *eld;
+ struct hdmi_spec_per_cvt *per_cvt = NULL;
+ int err;
+
+ /* Validate hinfo */
+ pcm_idx = hinfo_to_pcm_index(codec, hinfo);
+ if (pcm_idx < 0)
+ return -EINVAL;
+
+ mutex_lock(&spec->pcm_lock);
+ pin_idx = hinfo_to_pin_index(codec, hinfo);
+ if (!spec->dyn_pcm_assign) {
+ if (snd_BUG_ON(pin_idx < 0)) {
+ err = -EINVAL;
+ goto unlock;
+ }
+ } else {
+ /* no pin is assigned to the PCM
+ * PA need pcm open successfully when probe
+ */
+ if (pin_idx < 0) {
+ err = hdmi_pcm_open_no_pin(hinfo, codec, substream);
+ goto unlock;
+ }
+ }
+
+ err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx);
+ if (err < 0)
+ goto unlock;
+
+ per_cvt = get_cvt(spec, cvt_idx);
+ /* Claim converter */
+ per_cvt->assigned = 1;
+
+ set_bit(pcm_idx, &spec->pcm_in_use);
+ per_pin = get_pin(spec, pin_idx);
+ per_pin->cvt_nid = per_cvt->cvt_nid;
+ hinfo->nid = per_cvt->cvt_nid;
+
+ snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id);
+ snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
+ AC_VERB_SET_CONNECT_SEL,
+ per_pin->mux_idx);
+
+ /* configure unused pins to choose other converters */
+ pin_cvt_fixup(codec, per_pin, 0);
+
+ snd_hda_spdif_ctls_assign(codec, pcm_idx, per_cvt->cvt_nid);
+
+ /* Initially set the converter's capabilities */
+ hinfo->channels_min = per_cvt->channels_min;
+ hinfo->channels_max = per_cvt->channels_max;
+ hinfo->rates = per_cvt->rates;
+ hinfo->formats = per_cvt->formats;
+ hinfo->maxbps = per_cvt->maxbps;
+
+ eld = &per_pin->sink_eld;
+ /* Restrict capabilities by ELD if this isn't disabled */
+ if (!static_hdmi_pcm && eld->eld_valid) {
+ snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
+ if (hinfo->channels_min > hinfo->channels_max ||
+ !hinfo->rates || !hinfo->formats) {
+ per_cvt->assigned = 0;
+ hinfo->nid = 0;
+ snd_hda_spdif_ctls_unassign(codec, pcm_idx);
+ err = -ENODEV;
+ goto unlock;
+ }
+ }
+
+ /* Store the updated parameters */
+ runtime->hw.channels_min = hinfo->channels_min;
+ runtime->hw.channels_max = hinfo->channels_max;
+ runtime->hw.formats = hinfo->formats;
+ runtime->hw.rates = hinfo->rates;
+
+ snd_pcm_hw_constraint_step(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_CHANNELS, 2);
+ unlock:
+ mutex_unlock(&spec->pcm_lock);
+ return err;
+}
+
+/*
+ * HDA/HDMI auto parsing
+ */
+static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
+{
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
+ hda_nid_t pin_nid = per_pin->pin_nid;
+
+ if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
+ codec_warn(codec,
+ "HDMI: pin %d wcaps %#x does not support connection list\n",
+ pin_nid, get_wcaps(codec, pin_nid));
+ return -EINVAL;
+ }
+
+ /* all the device entries on the same pin have the same conn list */
+ per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
+ per_pin->mux_nids,
+ HDA_MAX_CONNECTIONS);
+
+ return 0;
+}
+
+static int hdmi_find_pcm_slot(struct hdmi_spec *spec,
+ struct hdmi_spec_per_pin *per_pin)
+{
+ int i;
+
+ /* try the prefer PCM */
+ if (!test_bit(per_pin->pin_nid_idx, &spec->pcm_bitmap))
+ return per_pin->pin_nid_idx;
+
+ /* have a second try; check the "reserved area" over num_pins */
+ for (i = spec->num_nids; i < spec->pcm_used; i++) {
+ if (!test_bit(i, &spec->pcm_bitmap))
+ return i;
+ }
+
+ /* the last try; check the empty slots in pins */
+ for (i = 0; i < spec->num_nids; i++) {
+ if (!test_bit(i, &spec->pcm_bitmap))
+ return i;
+ }
+ return -EBUSY;
+}
+
+static void hdmi_attach_hda_pcm(struct hdmi_spec *spec,
+ struct hdmi_spec_per_pin *per_pin)
+{
+ int idx;
+
+ /* pcm already be attached to the pin */
+ if (per_pin->pcm)
+ return;
+ idx = hdmi_find_pcm_slot(spec, per_pin);
+ if (idx == -EBUSY)
+ return;
+ per_pin->pcm_idx = idx;
+ per_pin->pcm = get_hdmi_pcm(spec, idx);
+ set_bit(idx, &spec->pcm_bitmap);
+}
+
+static void hdmi_detach_hda_pcm(struct hdmi_spec *spec,
+ struct hdmi_spec_per_pin *per_pin)
+{
+ int idx;
+
+ /* pcm already be detached from the pin */
+ if (!per_pin->pcm)
+ return;
+ idx = per_pin->pcm_idx;
+ per_pin->pcm_idx = -1;
+ per_pin->pcm = NULL;
+ if (idx >= 0 && idx < spec->pcm_used)
+ clear_bit(idx, &spec->pcm_bitmap);
+}
+
+static int hdmi_get_pin_cvt_mux(struct hdmi_spec *spec,
+ struct hdmi_spec_per_pin *per_pin, hda_nid_t cvt_nid)
+{
+ int mux_idx;
+
+ for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
+ if (per_pin->mux_nids[mux_idx] == cvt_nid)
+ break;
+ return mux_idx;
+}
+
+static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid);
+
+static void hdmi_pcm_setup_pin(struct hdmi_spec *spec,
+ struct hdmi_spec_per_pin *per_pin)
+{
+ struct hda_codec *codec = per_pin->codec;
+ struct hda_pcm *pcm;
+ struct hda_pcm_stream *hinfo;
+ struct snd_pcm_substream *substream;
+ int mux_idx;
+ bool non_pcm;
+
+ if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
+ pcm = get_pcm_rec(spec, per_pin->pcm_idx);
+ else
+ return;
+ if (!pcm->pcm)
+ return;
+ if (!test_bit(per_pin->pcm_idx, &spec->pcm_in_use))
+ return;
+
+ /* hdmi audio only uses playback and one substream */
+ hinfo = pcm->stream;
+ substream = pcm->pcm->streams[0].substream;
+
+ per_pin->cvt_nid = hinfo->nid;
+
+ mux_idx = hdmi_get_pin_cvt_mux(spec, per_pin, hinfo->nid);
+ if (mux_idx < per_pin->num_mux_nids) {
+ snd_hda_set_dev_select(codec, per_pin->pin_nid,
+ per_pin->dev_id);
+ snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
+ AC_VERB_SET_CONNECT_SEL,
+ mux_idx);
+ }
+ snd_hda_spdif_ctls_assign(codec, per_pin->pcm_idx, hinfo->nid);
+
+ non_pcm = check_non_pcm_per_cvt(codec, hinfo->nid);
+ if (substream->runtime)
+ per_pin->channels = substream->runtime->channels;
+ per_pin->setup = true;
+ per_pin->mux_idx = mux_idx;
+
+ hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
+}
+
+static void hdmi_pcm_reset_pin(struct hdmi_spec *spec,
+ struct hdmi_spec_per_pin *per_pin)
+{
+ if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
+ snd_hda_spdif_ctls_unassign(per_pin->codec, per_pin->pcm_idx);
+
+ per_pin->chmap_set = false;
+ memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
+
+ per_pin->setup = false;
+ per_pin->channels = 0;
+}
+
+/* update per_pin ELD from the given new ELD;
+ * setup info frame and notification accordingly
+ */
+static void update_eld(struct hda_codec *codec,
+ struct hdmi_spec_per_pin *per_pin,
+ struct hdmi_eld *eld)
+{
+ struct hdmi_eld *pin_eld = &per_pin->sink_eld;
+ struct hdmi_spec *spec = codec->spec;
+ bool old_eld_valid = pin_eld->eld_valid;
+ bool eld_changed;
+ int pcm_idx = -1;
+
+ /* for monitor disconnection, save pcm_idx firstly */
+ pcm_idx = per_pin->pcm_idx;
+ if (spec->dyn_pcm_assign) {
+ if (eld->eld_valid) {
+ hdmi_attach_hda_pcm(spec, per_pin);
+ hdmi_pcm_setup_pin(spec, per_pin);
+ } else {
+ hdmi_pcm_reset_pin(spec, per_pin);
+ hdmi_detach_hda_pcm(spec, per_pin);
+ }
+ }
+ /* if pcm_idx == -1, it means this is in monitor connection event
+ * we can get the correct pcm_idx now.
+ */
+ if (pcm_idx == -1)
+ pcm_idx = per_pin->pcm_idx;
+
+ if (eld->eld_valid)
+ snd_hdmi_show_eld(codec, &eld->info);
+
+ eld_changed = (pin_eld->eld_valid != eld->eld_valid);
+ if (eld->eld_valid && pin_eld->eld_valid)
+ if (pin_eld->eld_size != eld->eld_size ||
+ memcmp(pin_eld->eld_buffer, eld->eld_buffer,
+ eld->eld_size) != 0)
+ eld_changed = true;
+
+ pin_eld->monitor_present = eld->monitor_present;
+ pin_eld->eld_valid = eld->eld_valid;
+ pin_eld->eld_size = eld->eld_size;
+ if (eld->eld_valid)
+ memcpy(pin_eld->eld_buffer, eld->eld_buffer, eld->eld_size);
+ pin_eld->info = eld->info;
+
+ /*
+ * Re-setup pin and infoframe. This is needed e.g. when
+ * - sink is first plugged-in
+ * - transcoder can change during stream playback on Haswell
+ * and this can make HW reset converter selection on a pin.
+ */
+ if (eld->eld_valid && !old_eld_valid && per_pin->setup) {
+ pin_cvt_fixup(codec, per_pin, 0);
+ hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
+ }
+
+ if (eld_changed && pcm_idx >= 0)
+ snd_ctl_notify(codec->card,
+ SNDRV_CTL_EVENT_MASK_VALUE |
+ SNDRV_CTL_EVENT_MASK_INFO,
+ &get_hdmi_pcm(spec, pcm_idx)->eld_ctl->id);
+}
+
+/* update ELD and jack state via HD-audio verbs */
+static bool hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin,
+ int repoll)
+{
+ struct hda_jack_tbl *jack;
+ struct hda_codec *codec = per_pin->codec;
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_eld *eld = &spec->temp_eld;
+ hda_nid_t pin_nid = per_pin->pin_nid;
+ /*
+ * Always execute a GetPinSense verb here, even when called from
+ * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
+ * response's PD bit is not the real PD value, but indicates that
+ * the real PD value changed. An older version of the HD-audio
+ * specification worked this way. Hence, we just ignore the data in
+ * the unsolicited response to avoid custom WARs.
+ */
+ int present;
+ bool ret;
+ bool do_repoll = false;
+
+ present = snd_hda_pin_sense(codec, pin_nid);
+
+ mutex_lock(&per_pin->lock);
+ eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
+ if (eld->monitor_present)
+ eld->eld_valid = !!(present & AC_PINSENSE_ELDV);
+ else
+ eld->eld_valid = false;
+
+ codec_dbg(codec,
+ "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
+ codec->addr, pin_nid, eld->monitor_present, eld->eld_valid);
+
+ if (eld->eld_valid) {
+ if (spec->ops.pin_get_eld(codec, pin_nid, eld->eld_buffer,
+ &eld->eld_size) < 0)
+ eld->eld_valid = false;
+ else {
+ if (snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer,
+ eld->eld_size) < 0)
+ eld->eld_valid = false;
+ }
+ if (!eld->eld_valid && repoll)
+ do_repoll = true;
+ }
+
+ if (do_repoll)
+ schedule_delayed_work(&per_pin->work, msecs_to_jiffies(300));
+ else
+ update_eld(codec, per_pin, eld);
+
+ ret = !repoll || !eld->monitor_present || eld->eld_valid;
+
+ jack = snd_hda_jack_tbl_get(codec, pin_nid);
+ if (jack)
+ jack->block_report = !ret;
+
+ mutex_unlock(&per_pin->lock);
+ return ret;
+}
+
+static struct snd_jack *pin_idx_to_jack(struct hda_codec *codec,
+ struct hdmi_spec_per_pin *per_pin)
+{
+ struct hdmi_spec *spec = codec->spec;
+ struct snd_jack *jack = NULL;
+ struct hda_jack_tbl *jack_tbl;
+
+ /* if !dyn_pcm_assign, get jack from hda_jack_tbl
+ * in !dyn_pcm_assign case, spec->pcm_rec[].jack is not
+ * NULL even after snd_hda_jack_tbl_clear() is called to
+ * free snd_jack. This may cause access invalid memory
+ * when calling snd_jack_report
+ */
+ if (per_pin->pcm_idx >= 0 && spec->dyn_pcm_assign)
+ jack = spec->pcm_rec[per_pin->pcm_idx].jack;
+ else if (!spec->dyn_pcm_assign) {
+ /*
+ * jack tbl doesn't support DP MST
+ * DP MST will use dyn_pcm_assign,
+ * so DP MST will never come here
+ */
+ jack_tbl = snd_hda_jack_tbl_get(codec, per_pin->pin_nid);
+ if (jack_tbl)
+ jack = jack_tbl->jack;
+ }
+ return jack;
+}
+
+/* update ELD and jack state via audio component */
+static void sync_eld_via_acomp(struct hda_codec *codec,
+ struct hdmi_spec_per_pin *per_pin)
+{
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_eld *eld = &spec->temp_eld;
+ struct snd_jack *jack = NULL;
+ int size;
+
+ mutex_lock(&per_pin->lock);
+ eld->monitor_present = false;
+ size = snd_hdac_acomp_get_eld(&codec->core, per_pin->pin_nid,
+ per_pin->dev_id, &eld->monitor_present,
+ eld->eld_buffer, ELD_MAX_SIZE);
+ if (size > 0) {
+ size = min(size, ELD_MAX_SIZE);
+ if (snd_hdmi_parse_eld(codec, &eld->info,
+ eld->eld_buffer, size) < 0)
+ size = -EINVAL;
+ }
+
+ if (size > 0) {
+ eld->eld_valid = true;
+ eld->eld_size = size;
+ } else {
+ eld->eld_valid = false;
+ eld->eld_size = 0;
+ }
+
+ /* pcm_idx >=0 before update_eld() means it is in monitor
+ * disconnected event. Jack must be fetched before update_eld()
+ */
+ jack = pin_idx_to_jack(codec, per_pin);
+ update_eld(codec, per_pin, eld);
+ if (jack == NULL)
+ jack = pin_idx_to_jack(codec, per_pin);
+ if (jack == NULL)
+ goto unlock;
+ snd_jack_report(jack,
+ eld->monitor_present ? SND_JACK_AVOUT : 0);
+ unlock:
+ mutex_unlock(&per_pin->lock);
+}
+
+static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
+{
+ struct hda_codec *codec = per_pin->codec;
+ int ret;
+
+ /* no temporary power up/down needed for component notifier */
+ if (!codec_has_acomp(codec)) {
+ ret = snd_hda_power_up_pm(codec);
+ if (ret < 0 && pm_runtime_suspended(hda_codec_dev(codec))) {
+ snd_hda_power_down_pm(codec);
+ return false;
+ }
+ }
+
+ if (codec_has_acomp(codec)) {
+ sync_eld_via_acomp(codec, per_pin);
+ ret = false; /* don't call snd_hda_jack_report_sync() */
+ } else {
+ ret = hdmi_present_sense_via_verbs(per_pin, repoll);
+ }
+
+ if (!codec_has_acomp(codec))
+ snd_hda_power_down_pm(codec);
+
+ return ret;
+}
+
+static void hdmi_repoll_eld(struct work_struct *work)
+{
+ struct hdmi_spec_per_pin *per_pin =
+ container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
+ struct hda_codec *codec = per_pin->codec;
+ struct hdmi_spec *spec = codec->spec;
+
+ if (per_pin->repoll_count++ > 6)
+ per_pin->repoll_count = 0;
+
+ mutex_lock(&spec->pcm_lock);
+ if (hdmi_present_sense(per_pin, per_pin->repoll_count))
+ snd_hda_jack_report_sync(per_pin->codec);
+ mutex_unlock(&spec->pcm_lock);
+}
+
+static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
+ hda_nid_t nid);
+
+static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
+{
+ struct hdmi_spec *spec = codec->spec;
+ unsigned int caps, config;
+ int pin_idx;
+ struct hdmi_spec_per_pin *per_pin;
+ int err;
+ int dev_num, i;
+
+ caps = snd_hda_query_pin_caps(codec, pin_nid);
+ if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
+ return 0;
+
+ /*
+ * For DP MST audio, Configuration Default is the same for
+ * all device entries on the same pin
+ */
+ config = snd_hda_codec_get_pincfg(codec, pin_nid);
+ if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
+ return 0;
+
+ /*
+ * To simplify the implementation, malloc all
+ * the virtual pins in the initialization statically
+ */
+ if (is_haswell_plus(codec)) {
+ /*
+ * On Intel platforms, device entries number is
+ * changed dynamically. If there is a DP MST
+ * hub connected, the device entries number is 3.
+ * Otherwise, it is 1.
+ * Here we manually set dev_num to 3, so that
+ * we can initialize all the device entries when
+ * bootup statically.
+ */
+ dev_num = 3;
+ spec->dev_num = 3;
+ } else if (spec->dyn_pcm_assign && codec->dp_mst) {
+ dev_num = snd_hda_get_num_devices(codec, pin_nid) + 1;
+ /*
+ * spec->dev_num is the maxinum number of device entries
+ * among all the pins
+ */
+ spec->dev_num = (spec->dev_num > dev_num) ?
+ spec->dev_num : dev_num;
+ } else {
+ /*
+ * If the platform doesn't support DP MST,
+ * manually set dev_num to 1. This means
+ * the pin has only one device entry.
+ */
+ dev_num = 1;
+ spec->dev_num = 1;
+ }
+
+ for (i = 0; i < dev_num; i++) {
+ pin_idx = spec->num_pins;
+ per_pin = snd_array_new(&spec->pins);
+
+ if (!per_pin)
+ return -ENOMEM;
+
+ if (spec->dyn_pcm_assign) {
+ per_pin->pcm = NULL;
+ per_pin->pcm_idx = -1;
+ } else {
+ per_pin->pcm = get_hdmi_pcm(spec, pin_idx);
+ per_pin->pcm_idx = pin_idx;
+ }
+ per_pin->pin_nid = pin_nid;
+ per_pin->pin_nid_idx = spec->num_nids;
+ per_pin->dev_id = i;
+ per_pin->non_pcm = false;
+ snd_hda_set_dev_select(codec, pin_nid, i);
+ if (is_haswell_plus(codec))
+ intel_haswell_fixup_connect_list(codec, pin_nid);
+ err = hdmi_read_pin_conn(codec, pin_idx);
+ if (err < 0)
+ return err;
+ spec->num_pins++;
+ }
+ spec->num_nids++;
+
+ return 0;
+}
+
+static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
+{
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_spec_per_cvt *per_cvt;
+ unsigned int chans;
+ int err;
+
+ chans = get_wcaps(codec, cvt_nid);
+ chans = get_wcaps_channels(chans);
+
+ per_cvt = snd_array_new(&spec->cvts);
+ if (!per_cvt)
+ return -ENOMEM;
+
+ per_cvt->cvt_nid = cvt_nid;
+ per_cvt->channels_min = 2;
+ if (chans <= 16) {
+ per_cvt->channels_max = chans;
+ if (chans > spec->chmap.channels_max)
+ spec->chmap.channels_max = chans;
+ }
+
+ err = snd_hda_query_supported_pcm(codec, cvt_nid,
+ &per_cvt->rates,
+ &per_cvt->formats,
+ &per_cvt->maxbps);
+ if (err < 0)
+ return err;
+
+ if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
+ spec->cvt_nids[spec->num_cvts] = cvt_nid;
+ spec->num_cvts++;
+
+ return 0;
+}
+
+static int hdmi_parse_codec(struct hda_codec *codec)
+{
+ hda_nid_t nid;
+ int i, nodes;
+
+ nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &nid);
+ if (!nid || nodes < 0) {
+ codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < nodes; i++, nid++) {
+ unsigned int caps;
+ unsigned int type;
+
+ caps = get_wcaps(codec, nid);
+ type = get_wcaps_type(caps);
+
+ if (!(caps & AC_WCAP_DIGITAL))
+ continue;
+
+ switch (type) {
+ case AC_WID_AUD_OUT:
+ hdmi_add_cvt(codec, nid);
+ break;
+ case AC_WID_PIN:
+ hdmi_add_pin(codec, nid);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ */
+static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
+{
+ struct hda_spdif_out *spdif;
+ bool non_pcm;
+
+ mutex_lock(&codec->spdif_mutex);
+ spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
+ /* Add sanity check to pass klockwork check.
+ * This should never happen.
+ */
+ if (WARN_ON(spdif == NULL))
+ return true;
+ non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
+ mutex_unlock(&codec->spdif_mutex);
+ return non_pcm;
+}
+
+/*
+ * HDMI callbacks
+ */
+
+static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
+ struct hda_codec *codec,
+ unsigned int stream_tag,
+ unsigned int format,
+ struct snd_pcm_substream *substream)
+{
+ hda_nid_t cvt_nid = hinfo->nid;
+ struct hdmi_spec *spec = codec->spec;
+ int pin_idx;
+ struct hdmi_spec_per_pin *per_pin;
+ hda_nid_t pin_nid;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ bool non_pcm;
+ int pinctl;
+ int err = 0;
+
+ mutex_lock(&spec->pcm_lock);
+ pin_idx = hinfo_to_pin_index(codec, hinfo);
+ if (spec->dyn_pcm_assign && pin_idx < 0) {
+ /* when dyn_pcm_assign and pcm is not bound to a pin
+ * skip pin setup and return 0 to make audio playback
+ * be ongoing
+ */
+ pin_cvt_fixup(codec, NULL, cvt_nid);
+ snd_hda_codec_setup_stream(codec, cvt_nid,
+ stream_tag, 0, format);
+ goto unlock;
+ }
+
+ if (snd_BUG_ON(pin_idx < 0)) {
+ err = -EINVAL;
+ goto unlock;
+ }
+ per_pin = get_pin(spec, pin_idx);
+ pin_nid = per_pin->pin_nid;
+
+ /* Verify pin:cvt selections to avoid silent audio after S3.
+ * After S3, the audio driver restores pin:cvt selections
+ * but this can happen before gfx is ready and such selection
+ * is overlooked by HW. Thus multiple pins can share a same
+ * default convertor and mute control will affect each other,
+ * which can cause a resumed audio playback become silent
+ * after S3.
+ */
+ pin_cvt_fixup(codec, per_pin, 0);
+
+ /* Call sync_audio_rate to set the N/CTS/M manually if necessary */
+ /* Todo: add DP1.2 MST audio support later */
+ if (codec_has_acomp(codec))
+ snd_hdac_sync_audio_rate(&codec->core, pin_nid, per_pin->dev_id,
+ runtime->rate);
+
+ non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
+ mutex_lock(&per_pin->lock);
+ per_pin->channels = substream->runtime->channels;
+ per_pin->setup = true;
+
+ hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
+ mutex_unlock(&per_pin->lock);
+ if (spec->dyn_pin_out) {
+ pinctl = snd_hda_codec_read(codec, pin_nid, 0,
+ AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
+ snd_hda_codec_write(codec, pin_nid, 0,
+ AC_VERB_SET_PIN_WIDGET_CONTROL,
+ pinctl | PIN_OUT);
+ }
+
+ /* snd_hda_set_dev_select() has been called before */
+ err = spec->ops.setup_stream(codec, cvt_nid, pin_nid,
+ stream_tag, format);
+ unlock:
+ mutex_unlock(&spec->pcm_lock);
+ return err;
+}
+
+static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
+ struct hda_codec *codec,
+ struct snd_pcm_substream *substream)
+{
+ snd_hda_codec_cleanup_stream(codec, hinfo->nid);
+ return 0;
+}
+
+static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
+ struct hda_codec *codec,
+ struct snd_pcm_substream *substream)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int cvt_idx, pin_idx, pcm_idx;
+ struct hdmi_spec_per_cvt *per_cvt;
+ struct hdmi_spec_per_pin *per_pin;
+ int pinctl;
+ int err = 0;
+
+ if (hinfo->nid) {
+ pcm_idx = hinfo_to_pcm_index(codec, hinfo);
+ if (snd_BUG_ON(pcm_idx < 0))
+ return -EINVAL;
+ cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
+ if (snd_BUG_ON(cvt_idx < 0))
+ return -EINVAL;
+ per_cvt = get_cvt(spec, cvt_idx);
+
+ snd_BUG_ON(!per_cvt->assigned);
+ per_cvt->assigned = 0;
+ hinfo->nid = 0;
+
+ mutex_lock(&spec->pcm_lock);
+ snd_hda_spdif_ctls_unassign(codec, pcm_idx);
+ clear_bit(pcm_idx, &spec->pcm_in_use);
+ pin_idx = hinfo_to_pin_index(codec, hinfo);
+ if (spec->dyn_pcm_assign && pin_idx < 0)
+ goto unlock;
+
+ if (snd_BUG_ON(pin_idx < 0)) {
+ err = -EINVAL;
+ goto unlock;
+ }
+ per_pin = get_pin(spec, pin_idx);
+
+ if (spec->dyn_pin_out) {
+ pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
+ AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
+ snd_hda_codec_write(codec, per_pin->pin_nid, 0,
+ AC_VERB_SET_PIN_WIDGET_CONTROL,
+ pinctl & ~PIN_OUT);
+ }
+
+ mutex_lock(&per_pin->lock);
+ per_pin->chmap_set = false;
+ memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
+
+ per_pin->setup = false;
+ per_pin->channels = 0;
+ mutex_unlock(&per_pin->lock);
+ unlock:
+ mutex_unlock(&spec->pcm_lock);
+ }
+
+ return err;
+}
+
+static const struct hda_pcm_ops generic_ops = {
+ .open = hdmi_pcm_open,
+ .close = hdmi_pcm_close,
+ .prepare = generic_hdmi_playback_pcm_prepare,
+ .cleanup = generic_hdmi_playback_pcm_cleanup,
+};
+
+static int hdmi_get_spk_alloc(struct hdac_device *hdac, int pcm_idx)
+{
+ struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
+
+ if (!per_pin)
+ return 0;
+
+ return per_pin->sink_eld.info.spk_alloc;
+}
+
+static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx,
+ unsigned char *chmap)
+{
+ struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
+
+ /* chmap is already set to 0 in caller */
+ if (!per_pin)
+ return;
+
+ memcpy(chmap, per_pin->chmap, ARRAY_SIZE(per_pin->chmap));
+}
+
+static void hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx,
+ unsigned char *chmap, int prepared)
+{
+ struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
+
+ if (!per_pin)
+ return;
+ mutex_lock(&per_pin->lock);
+ per_pin->chmap_set = true;
+ memcpy(per_pin->chmap, chmap, ARRAY_SIZE(per_pin->chmap));
+ if (prepared)
+ hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
+ mutex_unlock(&per_pin->lock);
+}
+
+static bool is_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx)
+{
+ struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
+
+ return per_pin ? true:false;
+}
+
+static int generic_hdmi_build_pcms(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int idx;
+
+ /*
+ * for non-mst mode, pcm number is the same as before
+ * for DP MST mode, pcm number is (nid number + dev_num - 1)
+ * dev_num is the device entry number in a pin
+ *
+ */
+ for (idx = 0; idx < spec->num_nids + spec->dev_num - 1; idx++) {
+ struct hda_pcm *info;
+ struct hda_pcm_stream *pstr;
+
+ info = snd_hda_codec_pcm_new(codec, "HDMI %d", idx);
+ if (!info)
+ return -ENOMEM;
+
+ spec->pcm_rec[idx].pcm = info;
+ spec->pcm_used++;
+ info->pcm_type = HDA_PCM_TYPE_HDMI;
+ info->own_chmap = true;
+
+ pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
+ pstr->substreams = 1;
+ pstr->ops = generic_ops;
+ /* pcm number is less than 16 */
+ if (spec->pcm_used >= 16)
+ break;
+ /* other pstr fields are set in open */
+ }
+
+ return 0;
+}
+
+static void free_hdmi_jack_priv(struct snd_jack *jack)
+{
+ struct hdmi_pcm *pcm = jack->private_data;
+
+ pcm->jack = NULL;
+}
+
+static int add_hdmi_jack_kctl(struct hda_codec *codec,
+ struct hdmi_spec *spec,
+ int pcm_idx,
+ const char *name)
+{
+ struct snd_jack *jack;
+ int err;
+
+ err = snd_jack_new(codec->card, name, SND_JACK_AVOUT, &jack,
+ true, false);
+ if (err < 0)
+ return err;
+
+ spec->pcm_rec[pcm_idx].jack = jack;
+ jack->private_data = &spec->pcm_rec[pcm_idx];
+ jack->private_free = free_hdmi_jack_priv;
+ return 0;
+}
+
+static int generic_hdmi_build_jack(struct hda_codec *codec, int pcm_idx)
+{
+ char hdmi_str[32] = "HDMI/DP";
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_spec_per_pin *per_pin;
+ struct hda_jack_tbl *jack;
+ int pcmdev = get_pcm_rec(spec, pcm_idx)->device;
+ bool phantom_jack;
+ int ret;
+
+ if (pcmdev > 0)
+ sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
+
+ if (spec->dyn_pcm_assign)
+ return add_hdmi_jack_kctl(codec, spec, pcm_idx, hdmi_str);
+
+ /* for !dyn_pcm_assign, we still use hda_jack for compatibility */
+ /* if !dyn_pcm_assign, it must be non-MST mode.
+ * This means pcms and pins are statically mapped.
+ * And pcm_idx is pin_idx.
+ */
+ per_pin = get_pin(spec, pcm_idx);
+ phantom_jack = !is_jack_detectable(codec, per_pin->pin_nid);
+ if (phantom_jack)
+ strncat(hdmi_str, " Phantom",
+ sizeof(hdmi_str) - strlen(hdmi_str) - 1);
+ ret = snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str,
+ phantom_jack);
+ if (ret < 0)
+ return ret;
+ jack = snd_hda_jack_tbl_get(codec, per_pin->pin_nid);
+ if (jack == NULL)
+ return 0;
+ /* assign jack->jack to pcm_rec[].jack to
+ * align with dyn_pcm_assign mode
+ */
+ spec->pcm_rec[pcm_idx].jack = jack->jack;
+ return 0;
+}
+
+static int generic_hdmi_build_controls(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int dev, err;
+ int pin_idx, pcm_idx;
+
+ for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
+ if (!get_pcm_rec(spec, pcm_idx)->pcm) {
+ /* no PCM: mark this for skipping permanently */
+ set_bit(pcm_idx, &spec->pcm_bitmap);
+ continue;
+ }
+
+ err = generic_hdmi_build_jack(codec, pcm_idx);
+ if (err < 0)
+ return err;
+
+ /* create the spdif for each pcm
+ * pin will be bound when monitor is connected
+ */
+ if (spec->dyn_pcm_assign)
+ err = snd_hda_create_dig_out_ctls(codec,
+ 0, spec->cvt_nids[0],
+ HDA_PCM_TYPE_HDMI);
+ else {
+ struct hdmi_spec_per_pin *per_pin =
+ get_pin(spec, pcm_idx);
+ err = snd_hda_create_dig_out_ctls(codec,
+ per_pin->pin_nid,
+ per_pin->mux_nids[0],
+ HDA_PCM_TYPE_HDMI);
+ }
+ if (err < 0)
+ return err;
+ snd_hda_spdif_ctls_unassign(codec, pcm_idx);
+
+ dev = get_pcm_rec(spec, pcm_idx)->device;
+ if (dev != SNDRV_PCM_INVALID_DEVICE) {
+ /* add control for ELD Bytes */
+ err = hdmi_create_eld_ctl(codec, pcm_idx, dev);
+ if (err < 0)
+ return err;
+ }
+ }
+
+ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
+ struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
+
+ hdmi_present_sense(per_pin, 0);
+ }
+
+ /* add channel maps */
+ for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
+ struct hda_pcm *pcm;
+
+ pcm = get_pcm_rec(spec, pcm_idx);
+ if (!pcm || !pcm->pcm)
+ break;
+ err = snd_hdac_add_chmap_ctls(pcm->pcm, pcm_idx, &spec->chmap);
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+static int generic_hdmi_init_per_pins(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int pin_idx;
+
+ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
+ struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
+
+ per_pin->codec = codec;
+ mutex_init(&per_pin->lock);
+ INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
+ eld_proc_new(per_pin, pin_idx);
+ }
+ return 0;
+}
+
+static int generic_hdmi_init(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int pin_idx;
+
+ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
+ struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
+ hda_nid_t pin_nid = per_pin->pin_nid;
+ int dev_id = per_pin->dev_id;
+
+ snd_hda_set_dev_select(codec, pin_nid, dev_id);
+ hdmi_init_pin(codec, pin_nid);
+ if (!codec_has_acomp(codec))
+ snd_hda_jack_detect_enable_callback(codec, pin_nid,
+ codec->jackpoll_interval > 0 ?
+ jack_callback : NULL);
+ }
+ return 0;
+}
+
+static void hdmi_array_init(struct hdmi_spec *spec, int nums)
+{
+ snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
+ snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
+}
+
+static void hdmi_array_free(struct hdmi_spec *spec)
+{
+ snd_array_free(&spec->pins);
+ snd_array_free(&spec->cvts);
+}
+
+static void generic_spec_free(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+
+ if (spec) {
+ hdmi_array_free(spec);
+ kfree(spec);
+ codec->spec = NULL;
+ }
+ codec->dp_mst = false;
+}
+
+static void generic_hdmi_free(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int pin_idx, pcm_idx;
+
+ if (codec_has_acomp(codec))
+ snd_hdac_acomp_register_notifier(&codec->bus->core, NULL);
+
+ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
+ struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
+ cancel_delayed_work_sync(&per_pin->work);
+ eld_proc_free(per_pin);
+ }
+
+ for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
+ if (spec->pcm_rec[pcm_idx].jack == NULL)
+ continue;
+ if (spec->dyn_pcm_assign)
+ snd_device_free(codec->card,
+ spec->pcm_rec[pcm_idx].jack);
+ else
+ spec->pcm_rec[pcm_idx].jack = NULL;
+ }
+
+ generic_spec_free(codec);
+}
+
+#ifdef CONFIG_PM
+static int generic_hdmi_resume(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int pin_idx;
+
+ codec->patch_ops.init(codec);
+ regcache_sync(codec->core.regmap);
+
+ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
+ struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
+ hdmi_present_sense(per_pin, 1);
+ }
+ return 0;
+}
+#endif
+
+static const struct hda_codec_ops generic_hdmi_patch_ops = {
+ .init = generic_hdmi_init,
+ .free = generic_hdmi_free,
+ .build_pcms = generic_hdmi_build_pcms,
+ .build_controls = generic_hdmi_build_controls,
+ .unsol_event = hdmi_unsol_event,
+#ifdef CONFIG_PM
+ .resume = generic_hdmi_resume,
+#endif
+};
+
+static const struct hdmi_ops generic_standard_hdmi_ops = {
+ .pin_get_eld = snd_hdmi_get_eld,
+ .pin_setup_infoframe = hdmi_pin_setup_infoframe,
+ .pin_hbr_setup = hdmi_pin_hbr_setup,
+ .setup_stream = hdmi_setup_stream,
+};
+
+/* allocate codec->spec and assign/initialize generic parser ops */
+static int alloc_generic_hdmi(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec;
+
+ spec = kzalloc(sizeof(*spec), GFP_KERNEL);
+ if (!spec)
+ return -ENOMEM;
+
+ spec->ops = generic_standard_hdmi_ops;
+ spec->dev_num = 1; /* initialize to 1 */
+ mutex_init(&spec->pcm_lock);
+ snd_hdac_register_chmap_ops(&codec->core, &spec->chmap);
+
+ spec->chmap.ops.get_chmap = hdmi_get_chmap;
+ spec->chmap.ops.set_chmap = hdmi_set_chmap;
+ spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached;
+ spec->chmap.ops.get_spk_alloc = hdmi_get_spk_alloc,
+
+ codec->spec = spec;
+ hdmi_array_init(spec, 4);
+
+ codec->patch_ops = generic_hdmi_patch_ops;
+
+ return 0;
+}
+
+/* generic HDMI parser */
+static int patch_generic_hdmi(struct hda_codec *codec)
+{
+ int err;
+
+ err = alloc_generic_hdmi(codec);
+ if (err < 0)
+ return err;
+
+ err = hdmi_parse_codec(codec);
+ if (err < 0) {
+ generic_spec_free(codec);
+ return err;
+ }
+
+ generic_hdmi_init_per_pins(codec);
+ return 0;
+}
+
+/*
+ * Intel codec parsers and helpers
+ */
+
+static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
+ hda_nid_t nid)
+{
+ struct hdmi_spec *spec = codec->spec;
+ hda_nid_t conns[4];
+ int nconns;
+
+ nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
+ if (nconns == spec->num_cvts &&
+ !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
+ return;
+
+ /* override pins connection list */
+ codec_dbg(codec, "hdmi: haswell: override pin connection 0x%x\n", nid);
+ snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
+}
+
+#define INTEL_VENDOR_NID 0x08
+#define INTEL_GLK_VENDOR_NID 0x0B
+#define INTEL_GET_VENDOR_VERB 0xf81
+#define INTEL_SET_VENDOR_VERB 0x781
+#define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */
+#define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */
+
+static void intel_haswell_enable_all_pins(struct hda_codec *codec,
+ bool update_tree)
+{
+ unsigned int vendor_param;
+ struct hdmi_spec *spec = codec->spec;
+
+ vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0,
+ INTEL_GET_VENDOR_VERB, 0);
+ if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
+ return;
+
+ vendor_param |= INTEL_EN_ALL_PIN_CVTS;
+ vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0,
+ INTEL_SET_VENDOR_VERB, vendor_param);
+ if (vendor_param == -1)
+ return;
+
+ if (update_tree)
+ snd_hda_codec_update_widgets(codec);
+}
+
+static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
+{
+ unsigned int vendor_param;
+ struct hdmi_spec *spec = codec->spec;
+
+ vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0,
+ INTEL_GET_VENDOR_VERB, 0);
+ if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
+ return;
+
+ /* enable DP1.2 mode */
+ vendor_param |= INTEL_EN_DP12;
+ snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB);
+ snd_hda_codec_write_cache(codec, spec->vendor_nid, 0,
+ INTEL_SET_VENDOR_VERB, vendor_param);
+}
+
+/* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
+ * Otherwise you may get severe h/w communication errors.
+ */
+static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
+ unsigned int power_state)
+{
+ if (power_state == AC_PWRST_D0) {
+ intel_haswell_enable_all_pins(codec, false);
+ intel_haswell_fixup_enable_dp12(codec);
+ }
+
+ snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
+ snd_hda_codec_set_power_to_all(codec, fg, power_state);
+}
+
+/* There is a fixed mapping between audio pin node and display port.
+ * on SNB, IVY, HSW, BSW, SKL, BXT, KBL:
+ * Pin Widget 5 - PORT B (port = 1 in i915 driver)
+ * Pin Widget 6 - PORT C (port = 2 in i915 driver)
+ * Pin Widget 7 - PORT D (port = 3 in i915 driver)
+ *
+ * on VLV, ILK:
+ * Pin Widget 4 - PORT B (port = 1 in i915 driver)
+ * Pin Widget 5 - PORT C (port = 2 in i915 driver)
+ * Pin Widget 6 - PORT D (port = 3 in i915 driver)
+ */
+static int intel_base_nid(struct hda_codec *codec)
+{
+ switch (codec->core.vendor_id) {
+ case 0x80860054: /* ILK */
+ case 0x80862804: /* ILK */
+ case 0x80862882: /* VLV */
+ return 4;
+ default:
+ return 5;
+ }
+}
+
+static int intel_pin2port(void *audio_ptr, int pin_nid)
+{
+ int base_nid = intel_base_nid(audio_ptr);
+
+ if (WARN_ON(pin_nid < base_nid || pin_nid >= base_nid + 3))
+ return -1;
+ return pin_nid - base_nid + 1; /* intel port is 1-based */
+}
+
+static void intel_pin_eld_notify(void *audio_ptr, int port, int pipe)
+{
+ struct hda_codec *codec = audio_ptr;
+ int pin_nid;
+ int dev_id = pipe;
+
+ /* we assume only from port-B to port-D */
+ if (port < 1 || port > 3)
+ return;
+
+ pin_nid = port + intel_base_nid(codec) - 1; /* intel port is 1-based */
+
+ /* skip notification during system suspend (but not in runtime PM);
+ * the state will be updated at resume
+ */
+ if (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0)
+ return;
+ /* ditto during suspend/resume process itself */
+ if (snd_hdac_is_in_pm(&codec->core))
+ return;
+
+ snd_hdac_i915_set_bclk(&codec->bus->core);
+ check_presence_and_report(codec, pin_nid, dev_id);
+}
+
+/* register i915 component pin_eld_notify callback */
+static void register_i915_notifier(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+
+ spec->use_acomp_notifier = true;
+ spec->drm_audio_ops.audio_ptr = codec;
+ /* intel_audio_codec_enable() or intel_audio_codec_disable()
+ * will call pin_eld_notify with using audio_ptr pointer
+ * We need make sure audio_ptr is really setup
+ */
+ wmb();
+ spec->drm_audio_ops.pin2port = intel_pin2port;
+ spec->drm_audio_ops.pin_eld_notify = intel_pin_eld_notify;
+ snd_hdac_acomp_register_notifier(&codec->bus->core,
+ &spec->drm_audio_ops);
+}
+
+/* setup_stream ops override for HSW+ */
+static int i915_hsw_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
+ hda_nid_t pin_nid, u32 stream_tag, int format)
+{
+ haswell_verify_D0(codec, cvt_nid, pin_nid);
+ return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
+}
+
+/* pin_cvt_fixup ops override for HSW+ and VLV+ */
+static void i915_pin_cvt_fixup(struct hda_codec *codec,
+ struct hdmi_spec_per_pin *per_pin,
+ hda_nid_t cvt_nid)
+{
+ if (per_pin) {
+ snd_hda_set_dev_select(codec, per_pin->pin_nid,
+ per_pin->dev_id);
+ intel_verify_pin_cvt_connect(codec, per_pin);
+ intel_not_share_assigned_cvt(codec, per_pin->pin_nid,
+ per_pin->dev_id, per_pin->mux_idx);
+ } else {
+ intel_not_share_assigned_cvt_nid(codec, 0, 0, cvt_nid);
+ }
+}
+
+/* precondition and allocation for Intel codecs */
+static int alloc_intel_hdmi(struct hda_codec *codec)
+{
+ /* requires i915 binding */
+ if (!codec->bus->core.audio_component) {
+ codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n");
+ /* set probe_id here to prevent generic fallback binding */
+ codec->probe_id = HDA_CODEC_ID_SKIP_PROBE;
+ return -ENODEV;
+ }
+
+ return alloc_generic_hdmi(codec);
+}
+
+/* parse and post-process for Intel codecs */
+static int parse_intel_hdmi(struct hda_codec *codec)
+{
+ int err;
+
+ err = hdmi_parse_codec(codec);
+ if (err < 0) {
+ generic_spec_free(codec);
+ return err;
+ }
+
+ generic_hdmi_init_per_pins(codec);
+ register_i915_notifier(codec);
+ return 0;
+}
+
+/* Intel Haswell and onwards; audio component with eld notifier */
+static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid)
+{
+ struct hdmi_spec *spec;
+ int err;
+
+ err = alloc_intel_hdmi(codec);
+ if (err < 0)
+ return err;
+ spec = codec->spec;
+ codec->dp_mst = true;
+ spec->dyn_pcm_assign = true;
+ spec->vendor_nid = vendor_nid;
+
+ intel_haswell_enable_all_pins(codec, true);
+ intel_haswell_fixup_enable_dp12(codec);
+
+ /* For Haswell/Broadwell, the controller is also in the power well and
+ * can cover the codec power request, and so need not set this flag.
+ */
+ if (!is_haswell(codec) && !is_broadwell(codec))
+ codec->core.link_power_control = 1;
+
+ codec->patch_ops.set_power_state = haswell_set_power_state;
+ codec->depop_delay = 0;
+ codec->auto_runtime_pm = 1;
+
+ spec->ops.setup_stream = i915_hsw_setup_stream;
+ spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup;
+
+ return parse_intel_hdmi(codec);
+}
+
+static int patch_i915_hsw_hdmi(struct hda_codec *codec)
+{
+ return intel_hsw_common_init(codec, INTEL_VENDOR_NID);
+}
+
+static int patch_i915_glk_hdmi(struct hda_codec *codec)
+{
+ return intel_hsw_common_init(codec, INTEL_GLK_VENDOR_NID);
+}
+
+/* Intel Baytrail and Braswell; with eld notifier */
+static int patch_i915_byt_hdmi(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec;
+ int err;
+
+ err = alloc_intel_hdmi(codec);
+ if (err < 0)
+ return err;
+ spec = codec->spec;
+
+ /* For Valleyview/Cherryview, only the display codec is in the display
+ * power well and can use link_power ops to request/release the power.
+ */
+ codec->core.link_power_control = 1;
+
+ codec->depop_delay = 0;
+ codec->auto_runtime_pm = 1;
+
+ spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup;
+
+ return parse_intel_hdmi(codec);
+}
+
+/* Intel IronLake, SandyBridge and IvyBridge; with eld notifier */
+static int patch_i915_cpt_hdmi(struct hda_codec *codec)
+{
+ int err;
+
+ err = alloc_intel_hdmi(codec);
+ if (err < 0)
+ return err;
+ return parse_intel_hdmi(codec);
+}
+
+/*
+ * Shared non-generic implementations
+ */
+
+static int simple_playback_build_pcms(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ struct hda_pcm *info;
+ unsigned int chans;
+ struct hda_pcm_stream *pstr;
+ struct hdmi_spec_per_cvt *per_cvt;
+
+ per_cvt = get_cvt(spec, 0);
+ chans = get_wcaps(codec, per_cvt->cvt_nid);
+ chans = get_wcaps_channels(chans);
+
+ info = snd_hda_codec_pcm_new(codec, "HDMI 0");
+ if (!info)
+ return -ENOMEM;
+ spec->pcm_rec[0].pcm = info;
+ info->pcm_type = HDA_PCM_TYPE_HDMI;
+ pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
+ *pstr = spec->pcm_playback;
+ pstr->nid = per_cvt->cvt_nid;
+ if (pstr->channels_max <= 2 && chans && chans <= 16)
+ pstr->channels_max = chans;
+
+ return 0;
+}
+
+/* unsolicited event for jack sensing */
+static void simple_hdmi_unsol_event(struct hda_codec *codec,
+ unsigned int res)
+{
+ snd_hda_jack_set_dirty_all(codec);
+ snd_hda_jack_report_sync(codec);
+}
+
+/* generic_hdmi_build_jack can be used for simple_hdmi, too,
+ * as long as spec->pins[] is set correctly
+ */
+#define simple_hdmi_build_jack generic_hdmi_build_jack
+
+static int simple_playback_build_controls(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_spec_per_cvt *per_cvt;
+ int err;
+
+ per_cvt = get_cvt(spec, 0);
+ err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
+ per_cvt->cvt_nid,
+ HDA_PCM_TYPE_HDMI);
+ if (err < 0)
+ return err;
+ return simple_hdmi_build_jack(codec, 0);
+}
+
+static int simple_playback_init(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
+ hda_nid_t pin = per_pin->pin_nid;
+
+ snd_hda_codec_write(codec, pin, 0,
+ AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
+ /* some codecs require to unmute the pin */
+ if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
+ snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
+ AMP_OUT_UNMUTE);
+ snd_hda_jack_detect_enable(codec, pin);
+ return 0;
+}
+
+static void simple_playback_free(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+
+ hdmi_array_free(spec);
+ kfree(spec);
+}
+
+/*
+ * Nvidia specific implementations
+ */
+
+#define Nv_VERB_SET_Channel_Allocation 0xF79
+#define Nv_VERB_SET_Info_Frame_Checksum 0xF7A
+#define Nv_VERB_SET_Audio_Protection_On 0xF98
+#define Nv_VERB_SET_Audio_Protection_Off 0xF99
+
+#define nvhdmi_master_con_nid_7x 0x04
+#define nvhdmi_master_pin_nid_7x 0x05
+
+static const hda_nid_t nvhdmi_con_nids_7x[4] = {
+ /*front, rear, clfe, rear_surr */
+ 0x6, 0x8, 0xa, 0xc,
+};
+
+static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
+ /* set audio protect on */
+ { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
+ /* enable digital output on pin widget */
+ { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
+ {} /* terminator */
+};
+
+static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
+ /* set audio protect on */
+ { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
+ /* enable digital output on pin widget */
+ { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
+ { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
+ { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
+ { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
+ { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
+ {} /* terminator */
+};
+
+#ifdef LIMITED_RATE_FMT_SUPPORT
+/* support only the safe format and rate */
+#define SUPPORTED_RATES SNDRV_PCM_RATE_48000
+#define SUPPORTED_MAXBPS 16
+#define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE
+#else
+/* support all rates and formats */
+#define SUPPORTED_RATES \
+ (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
+ SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
+ SNDRV_PCM_RATE_192000)
+#define SUPPORTED_MAXBPS 24
+#define SUPPORTED_FORMATS \
+ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
+#endif
+
+static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
+{
+ snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
+ return 0;
+}
+
+static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
+{
+ snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
+ return 0;
+}
+
+static const unsigned int channels_2_6_8[] = {
+ 2, 6, 8
+};
+
+static const unsigned int channels_2_8[] = {
+ 2, 8
+};
+
+static const struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
+ .count = ARRAY_SIZE(channels_2_6_8),
+ .list = channels_2_6_8,
+ .mask = 0,
+};
+
+static const struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
+ .count = ARRAY_SIZE(channels_2_8),
+ .list = channels_2_8,
+ .mask = 0,
+};
+
+static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
+ struct hda_codec *codec,
+ struct snd_pcm_substream *substream)
+{
+ struct hdmi_spec *spec = codec->spec;
+ const struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
+
+ switch (codec->preset->vendor_id) {
+ case 0x10de0002:
+ case 0x10de0003:
+ case 0x10de0005:
+ case 0x10de0006:
+ hw_constraints_channels = &hw_constraints_2_8_channels;
+ break;
+ case 0x10de0007:
+ hw_constraints_channels = &hw_constraints_2_6_8_channels;
+ break;
+ default:
+ break;
+ }
+
+ if (hw_constraints_channels != NULL) {
+ snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_CHANNELS,
+ hw_constraints_channels);
+ } else {
+ snd_pcm_hw_constraint_step(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_CHANNELS, 2);
+ }
+
+ return snd_hda_multi_out_dig_open(codec, &spec->multiout);
+}
+
+static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
+ struct hda_codec *codec,
+ struct snd_pcm_substream *substream)
+{
+ struct hdmi_spec *spec = codec->spec;
+ return snd_hda_multi_out_dig_close(codec, &spec->multiout);
+}
+
+static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
+ struct hda_codec *codec,
+ unsigned int stream_tag,
+ unsigned int format,
+ struct snd_pcm_substream *substream)
+{
+ struct hdmi_spec *spec = codec->spec;
+ return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
+ stream_tag, format, substream);
+}
+
+static const struct hda_pcm_stream simple_pcm_playback = {
+ .substreams = 1,
+ .channels_min = 2,
+ .channels_max = 2,
+ .ops = {
+ .open = simple_playback_pcm_open,
+ .close = simple_playback_pcm_close,
+ .prepare = simple_playback_pcm_prepare
+ },
+};
+
+static const struct hda_codec_ops simple_hdmi_patch_ops = {
+ .build_controls = simple_playback_build_controls,
+ .build_pcms = simple_playback_build_pcms,
+ .init = simple_playback_init,
+ .free = simple_playback_free,
+ .unsol_event = simple_hdmi_unsol_event,
+};
+
+static int patch_simple_hdmi(struct hda_codec *codec,
+ hda_nid_t cvt_nid, hda_nid_t pin_nid)
+{
+ struct hdmi_spec *spec;
+ struct hdmi_spec_per_cvt *per_cvt;
+ struct hdmi_spec_per_pin *per_pin;
+
+ spec = kzalloc(sizeof(*spec), GFP_KERNEL);
+ if (!spec)
+ return -ENOMEM;
+
+ codec->spec = spec;
+ hdmi_array_init(spec, 1);
+
+ spec->multiout.num_dacs = 0; /* no analog */
+ spec->multiout.max_channels = 2;
+ spec->multiout.dig_out_nid = cvt_nid;
+ spec->num_cvts = 1;
+ spec->num_pins = 1;
+ per_pin = snd_array_new(&spec->pins);
+ per_cvt = snd_array_new(&spec->cvts);
+ if (!per_pin || !per_cvt) {
+ simple_playback_free(codec);
+ return -ENOMEM;
+ }
+ per_cvt->cvt_nid = cvt_nid;
+ per_pin->pin_nid = pin_nid;
+ spec->pcm_playback = simple_pcm_playback;
+
+ codec->patch_ops = simple_hdmi_patch_ops;
+
+ return 0;
+}
+
+static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
+ int channels)
+{
+ unsigned int chanmask;
+ int chan = channels ? (channels - 1) : 1;
+
+ switch (channels) {
+ default:
+ case 0:
+ case 2:
+ chanmask = 0x00;
+ break;
+ case 4:
+ chanmask = 0x08;
+ break;
+ case 6:
+ chanmask = 0x0b;
+ break;
+ case 8:
+ chanmask = 0x13;
+ break;
+ }
+
+ /* Set the audio infoframe channel allocation and checksum fields. The
+ * channel count is computed implicitly by the hardware. */
+ snd_hda_codec_write(codec, 0x1, 0,
+ Nv_VERB_SET_Channel_Allocation, chanmask);
+
+ snd_hda_codec_write(codec, 0x1, 0,
+ Nv_VERB_SET_Info_Frame_Checksum,
+ (0x71 - chan - chanmask));
+}
+
+static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
+ struct hda_codec *codec,
+ struct snd_pcm_substream *substream)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int i;
+
+ snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
+ 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
+ for (i = 0; i < 4; i++) {
+ /* set the stream id */
+ snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
+ AC_VERB_SET_CHANNEL_STREAMID, 0);
+ /* set the stream format */
+ snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
+ AC_VERB_SET_STREAM_FORMAT, 0);
+ }
+
+ /* The audio hardware sends a channel count of 0x7 (8ch) when all the
+ * streams are disabled. */
+ nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
+
+ return snd_hda_multi_out_dig_close(codec, &spec->multiout);
+}
+
+static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
+ struct hda_codec *codec,
+ unsigned int stream_tag,
+ unsigned int format,
+ struct snd_pcm_substream *substream)
+{
+ int chs;
+ unsigned int dataDCC2, channel_id;
+ int i;
+ struct hdmi_spec *spec = codec->spec;
+ struct hda_spdif_out *spdif;
+ struct hdmi_spec_per_cvt *per_cvt;
+
+ mutex_lock(&codec->spdif_mutex);
+ per_cvt = get_cvt(spec, 0);
+ spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
+
+ chs = substream->runtime->channels;
+
+ dataDCC2 = 0x2;
+
+ /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
+ if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
+ snd_hda_codec_write(codec,
+ nvhdmi_master_con_nid_7x,
+ 0,
+ AC_VERB_SET_DIGI_CONVERT_1,
+ spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
+
+ /* set the stream id */
+ snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
+ AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
+
+ /* set the stream format */
+ snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
+ AC_VERB_SET_STREAM_FORMAT, format);
+
+ /* turn on again (if needed) */
+ /* enable and set the channel status audio/data flag */
+ if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
+ snd_hda_codec_write(codec,
+ nvhdmi_master_con_nid_7x,
+ 0,
+ AC_VERB_SET_DIGI_CONVERT_1,
+ spdif->ctls & 0xff);
+ snd_hda_codec_write(codec,
+ nvhdmi_master_con_nid_7x,
+ 0,
+ AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
+ }
+
+ for (i = 0; i < 4; i++) {
+ if (chs == 2)
+ channel_id = 0;
+ else
+ channel_id = i * 2;
+
+ /* turn off SPDIF once;
+ *otherwise the IEC958 bits won't be updated
+ */
+ if (codec->spdif_status_reset &&
+ (spdif->ctls & AC_DIG1_ENABLE))
+ snd_hda_codec_write(codec,
+ nvhdmi_con_nids_7x[i],
+ 0,
+ AC_VERB_SET_DIGI_CONVERT_1,
+ spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
+ /* set the stream id */
+ snd_hda_codec_write(codec,
+ nvhdmi_con_nids_7x[i],
+ 0,
+ AC_VERB_SET_CHANNEL_STREAMID,
+ (stream_tag << 4) | channel_id);
+ /* set the stream format */
+ snd_hda_codec_write(codec,
+ nvhdmi_con_nids_7x[i],
+ 0,
+ AC_VERB_SET_STREAM_FORMAT,
+ format);
+ /* turn on again (if needed) */
+ /* enable and set the channel status audio/data flag */
+ if (codec->spdif_status_reset &&
+ (spdif->ctls & AC_DIG1_ENABLE)) {
+ snd_hda_codec_write(codec,
+ nvhdmi_con_nids_7x[i],
+ 0,
+ AC_VERB_SET_DIGI_CONVERT_1,
+ spdif->ctls & 0xff);
+ snd_hda_codec_write(codec,
+ nvhdmi_con_nids_7x[i],
+ 0,
+ AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
+ }
+ }
+
+ nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
+
+ mutex_unlock(&codec->spdif_mutex);
+ return 0;
+}
+
+static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
+ .substreams = 1,
+ .channels_min = 2,
+ .channels_max = 8,
+ .nid = nvhdmi_master_con_nid_7x,
+ .rates = SUPPORTED_RATES,
+ .maxbps = SUPPORTED_MAXBPS,
+ .formats = SUPPORTED_FORMATS,
+ .ops = {
+ .open = simple_playback_pcm_open,
+ .close = nvhdmi_8ch_7x_pcm_close,
+ .prepare = nvhdmi_8ch_7x_pcm_prepare
+ },
+};
+
+static int patch_nvhdmi_2ch(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec;
+ int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
+ nvhdmi_master_pin_nid_7x);
+ if (err < 0)
+ return err;
+
+ codec->patch_ops.init = nvhdmi_7x_init_2ch;
+ /* override the PCM rates, etc, as the codec doesn't give full list */
+ spec = codec->spec;
+ spec->pcm_playback.rates = SUPPORTED_RATES;
+ spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
+ spec->pcm_playback.formats = SUPPORTED_FORMATS;
+ return 0;
+}
+
+static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int err = simple_playback_build_pcms(codec);
+ if (!err) {
+ struct hda_pcm *info = get_pcm_rec(spec, 0);
+ info->own_chmap = true;
+ }
+ return err;
+}
+
+static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ struct hda_pcm *info;
+ struct snd_pcm_chmap *chmap;
+ int err;
+
+ err = simple_playback_build_controls(codec);
+ if (err < 0)
+ return err;
+
+ /* add channel maps */
+ info = get_pcm_rec(spec, 0);
+ err = snd_pcm_add_chmap_ctls(info->pcm,
+ SNDRV_PCM_STREAM_PLAYBACK,
+ snd_pcm_alt_chmaps, 8, 0, &chmap);
+ if (err < 0)
+ return err;
+ switch (codec->preset->vendor_id) {
+ case 0x10de0002:
+ case 0x10de0003:
+ case 0x10de0005:
+ case 0x10de0006:
+ chmap->channel_mask = (1U << 2) | (1U << 8);
+ break;
+ case 0x10de0007:
+ chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
+ }
+ return 0;
+}
+
+static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec;
+ int err = patch_nvhdmi_2ch(codec);
+ if (err < 0)
+ return err;
+ spec = codec->spec;
+ spec->multiout.max_channels = 8;
+ spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
+ codec->patch_ops.init = nvhdmi_7x_init_8ch;
+ codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
+ codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
+
+ /* Initialize the audio infoframe channel mask and checksum to something
+ * valid */
+ nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
+
+ return 0;
+}
+
+/*
+ * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on:
+ * - 0x10de0015
+ * - 0x10de0040
+ */
+static int nvhdmi_chmap_cea_alloc_validate_get_type(struct hdac_chmap *chmap,
+ struct hdac_cea_channel_speaker_allocation *cap, int channels)
+{
+ if (cap->ca_index == 0x00 && channels == 2)
+ return SNDRV_CTL_TLVT_CHMAP_FIXED;
+
+ /* If the speaker allocation matches the channel count, it is OK. */
+ if (cap->channels != channels)
+ return -1;
+
+ /* all channels are remappable freely */
+ return SNDRV_CTL_TLVT_CHMAP_VAR;
+}
+
+static int nvhdmi_chmap_validate(struct hdac_chmap *chmap,
+ int ca, int chs, unsigned char *map)
+{
+ if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int patch_nvhdmi(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec;
+ int err;
+
+ err = patch_generic_hdmi(codec);
+ if (err)
+ return err;
+
+ spec = codec->spec;
+ spec->dyn_pin_out = true;
+
+ spec->chmap.ops.chmap_cea_alloc_validate_get_type =
+ nvhdmi_chmap_cea_alloc_validate_get_type;
+ spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
+
+ return 0;
+}
+
+/*
+ * The HDA codec on NVIDIA Tegra contains two scratch registers that are
+ * accessed using vendor-defined verbs. These registers can be used for
+ * interoperability between the HDA and HDMI drivers.
+ */
+
+/* Audio Function Group node */
+#define NVIDIA_AFG_NID 0x01
+
+/*
+ * The SCRATCH0 register is used to notify the HDMI codec of changes in audio
+ * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to
+ * be raised in the HDMI codec. The remainder of the bits is arbitrary. This
+ * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an
+ * additional bit (at position 30) to signal the validity of the format.
+ *
+ * | 31 | 30 | 29 16 | 15 0 |
+ * +---------+-------+--------+--------+
+ * | TRIGGER | VALID | UNUSED | FORMAT |
+ * +-----------------------------------|
+ *
+ * Note that for the trigger bit to take effect it needs to change value
+ * (i.e. it needs to be toggled).
+ */
+#define NVIDIA_GET_SCRATCH0 0xfa6
+#define NVIDIA_SET_SCRATCH0_BYTE0 0xfa7
+#define NVIDIA_SET_SCRATCH0_BYTE1 0xfa8
+#define NVIDIA_SET_SCRATCH0_BYTE2 0xfa9
+#define NVIDIA_SET_SCRATCH0_BYTE3 0xfaa
+#define NVIDIA_SCRATCH_TRIGGER (1 << 7)
+#define NVIDIA_SCRATCH_VALID (1 << 6)
+
+#define NVIDIA_GET_SCRATCH1 0xfab
+#define NVIDIA_SET_SCRATCH1_BYTE0 0xfac
+#define NVIDIA_SET_SCRATCH1_BYTE1 0xfad
+#define NVIDIA_SET_SCRATCH1_BYTE2 0xfae
+#define NVIDIA_SET_SCRATCH1_BYTE3 0xfaf
+
+/*
+ * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0,
+ * the format is invalidated so that the HDMI codec can be disabled.
+ */
+static void tegra_hdmi_set_format(struct hda_codec *codec, unsigned int format)
+{
+ unsigned int value;
+
+ /* bits [31:30] contain the trigger and valid bits */
+ value = snd_hda_codec_read(codec, NVIDIA_AFG_NID, 0,
+ NVIDIA_GET_SCRATCH0, 0);
+ value = (value >> 24) & 0xff;
+
+ /* bits [15:0] are used to store the HDA format */
+ snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
+ NVIDIA_SET_SCRATCH0_BYTE0,
+ (format >> 0) & 0xff);
+ snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
+ NVIDIA_SET_SCRATCH0_BYTE1,
+ (format >> 8) & 0xff);
+
+ /* bits [16:24] are unused */
+ snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
+ NVIDIA_SET_SCRATCH0_BYTE2, 0);
+
+ /*
+ * Bit 30 signals that the data is valid and hence that HDMI audio can
+ * be enabled.
+ */
+ if (format == 0)
+ value &= ~NVIDIA_SCRATCH_VALID;
+ else
+ value |= NVIDIA_SCRATCH_VALID;
+
+ /*
+ * Whenever the trigger bit is toggled, an interrupt is raised in the
+ * HDMI codec. The HDMI driver will use that as trigger to update its
+ * configuration.
+ */
+ value ^= NVIDIA_SCRATCH_TRIGGER;
+
+ snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
+ NVIDIA_SET_SCRATCH0_BYTE3, value);
+}
+
+static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo,
+ struct hda_codec *codec,
+ unsigned int stream_tag,
+ unsigned int format,
+ struct snd_pcm_substream *substream)
+{
+ int err;
+
+ err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag,
+ format, substream);
+ if (err < 0)
+ return err;
+
+ /* notify the HDMI codec of the format change */
+ tegra_hdmi_set_format(codec, format);
+
+ return 0;
+}
+
+static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo,
+ struct hda_codec *codec,
+ struct snd_pcm_substream *substream)
+{
+ /* invalidate the format in the HDMI codec */
+ tegra_hdmi_set_format(codec, 0);
+
+ return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream);
+}
+
+static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type)
+{
+ struct hdmi_spec *spec = codec->spec;
+ unsigned int i;
+
+ for (i = 0; i < spec->num_pins; i++) {
+ struct hda_pcm *pcm = get_pcm_rec(spec, i);
+
+ if (pcm->pcm_type == type)
+ return pcm;
+ }
+
+ return NULL;
+}
+
+static int tegra_hdmi_build_pcms(struct hda_codec *codec)
+{
+ struct hda_pcm_stream *stream;
+ struct hda_pcm *pcm;
+ int err;
+
+ err = generic_hdmi_build_pcms(codec);
+ if (err < 0)
+ return err;
+
+ pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI);
+ if (!pcm)
+ return -ENODEV;
+
+ /*
+ * Override ->prepare() and ->cleanup() operations to notify the HDMI
+ * codec about format changes.
+ */
+ stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK];
+ stream->ops.prepare = tegra_hdmi_pcm_prepare;
+ stream->ops.cleanup = tegra_hdmi_pcm_cleanup;
+
+ return 0;
+}
+
+static int patch_tegra_hdmi(struct hda_codec *codec)
+{
+ int err;
+
+ err = patch_generic_hdmi(codec);
+ if (err)
+ return err;
+
+ codec->patch_ops.build_pcms = tegra_hdmi_build_pcms;
+
+ return 0;
+}
+
+/*
+ * ATI/AMD-specific implementations
+ */
+
+#define is_amdhdmi_rev3_or_later(codec) \
+ ((codec)->core.vendor_id == 0x1002aa01 && \
+ ((codec)->core.revision_id & 0xff00) >= 0x0300)
+#define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
+
+/* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
+#define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771
+#define ATI_VERB_SET_DOWNMIX_INFO 0x772
+#define ATI_VERB_SET_MULTICHANNEL_01 0x777
+#define ATI_VERB_SET_MULTICHANNEL_23 0x778
+#define ATI_VERB_SET_MULTICHANNEL_45 0x779
+#define ATI_VERB_SET_MULTICHANNEL_67 0x77a
+#define ATI_VERB_SET_HBR_CONTROL 0x77c
+#define ATI_VERB_SET_MULTICHANNEL_1 0x785
+#define ATI_VERB_SET_MULTICHANNEL_3 0x786
+#define ATI_VERB_SET_MULTICHANNEL_5 0x787
+#define ATI_VERB_SET_MULTICHANNEL_7 0x788
+#define ATI_VERB_SET_MULTICHANNEL_MODE 0x789
+#define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71
+#define ATI_VERB_GET_DOWNMIX_INFO 0xf72
+#define ATI_VERB_GET_MULTICHANNEL_01 0xf77
+#define ATI_VERB_GET_MULTICHANNEL_23 0xf78
+#define ATI_VERB_GET_MULTICHANNEL_45 0xf79
+#define ATI_VERB_GET_MULTICHANNEL_67 0xf7a
+#define ATI_VERB_GET_HBR_CONTROL 0xf7c
+#define ATI_VERB_GET_MULTICHANNEL_1 0xf85
+#define ATI_VERB_GET_MULTICHANNEL_3 0xf86
+#define ATI_VERB_GET_MULTICHANNEL_5 0xf87
+#define ATI_VERB_GET_MULTICHANNEL_7 0xf88
+#define ATI_VERB_GET_MULTICHANNEL_MODE 0xf89
+
+/* AMD specific HDA cvt verbs */
+#define ATI_VERB_SET_RAMP_RATE 0x770
+#define ATI_VERB_GET_RAMP_RATE 0xf70
+
+#define ATI_OUT_ENABLE 0x1
+
+#define ATI_MULTICHANNEL_MODE_PAIRED 0
+#define ATI_MULTICHANNEL_MODE_SINGLE 1
+
+#define ATI_HBR_CAPABLE 0x01
+#define ATI_HBR_ENABLE 0x10
+
+static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
+ unsigned char *buf, int *eld_size)
+{
+ /* call hda_eld.c ATI/AMD-specific function */
+ return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size,
+ is_amdhdmi_rev3_or_later(codec));
+}
+
+static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, hda_nid_t pin_nid, int ca,
+ int active_channels, int conn_type)
+{
+ snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
+}
+
+static int atihdmi_paired_swap_fc_lfe(int pos)
+{
+ /*
+ * ATI/AMD have automatic FC/LFE swap built-in
+ * when in pairwise mapping mode.
+ */
+
+ switch (pos) {
+ /* see channel_allocations[].speakers[] */
+ case 2: return 3;
+ case 3: return 2;
+ default: break;
+ }
+
+ return pos;
+}
+
+static int atihdmi_paired_chmap_validate(struct hdac_chmap *chmap,
+ int ca, int chs, unsigned char *map)
+{
+ struct hdac_cea_channel_speaker_allocation *cap;
+ int i, j;
+
+ /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
+
+ cap = snd_hdac_get_ch_alloc_from_ca(ca);
+ for (i = 0; i < chs; ++i) {
+ int mask = snd_hdac_chmap_to_spk_mask(map[i]);
+ bool ok = false;
+ bool companion_ok = false;
+
+ if (!mask)
+ continue;
+
+ for (j = 0 + i % 2; j < 8; j += 2) {
+ int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
+ if (cap->speakers[chan_idx] == mask) {
+ /* channel is in a supported position */
+ ok = true;
+
+ if (i % 2 == 0 && i + 1 < chs) {
+ /* even channel, check the odd companion */
+ int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
+ int comp_mask_req = snd_hdac_chmap_to_spk_mask(map[i+1]);
+ int comp_mask_act = cap->speakers[comp_chan_idx];
+
+ if (comp_mask_req == comp_mask_act)
+ companion_ok = true;
+ else
+ return -EINVAL;
+ }
+ break;
+ }
+ }
+
+ if (!ok)
+ return -EINVAL;
+
+ if (companion_ok)
+ i++; /* companion channel already checked */
+ }
+
+ return 0;
+}
+
+static int atihdmi_pin_set_slot_channel(struct hdac_device *hdac,
+ hda_nid_t pin_nid, int hdmi_slot, int stream_channel)
+{
+ struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
+ int verb;
+ int ati_channel_setup = 0;
+
+ if (hdmi_slot > 7)
+ return -EINVAL;
+
+ if (!has_amd_full_remap_support(codec)) {
+ hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
+
+ /* In case this is an odd slot but without stream channel, do not
+ * disable the slot since the corresponding even slot could have a
+ * channel. In case neither have a channel, the slot pair will be
+ * disabled when this function is called for the even slot. */
+ if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
+ return 0;
+
+ hdmi_slot -= hdmi_slot % 2;
+
+ if (stream_channel != 0xf)
+ stream_channel -= stream_channel % 2;
+ }
+
+ verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
+
+ /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
+
+ if (stream_channel != 0xf)
+ ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
+
+ return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
+}
+
+static int atihdmi_pin_get_slot_channel(struct hdac_device *hdac,
+ hda_nid_t pin_nid, int asp_slot)
+{
+ struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
+ bool was_odd = false;
+ int ati_asp_slot = asp_slot;
+ int verb;
+ int ati_channel_setup;
+
+ if (asp_slot > 7)
+ return -EINVAL;
+
+ if (!has_amd_full_remap_support(codec)) {
+ ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
+ if (ati_asp_slot % 2 != 0) {
+ ati_asp_slot -= 1;
+ was_odd = true;
+ }
+ }
+
+ verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
+
+ ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
+
+ if (!(ati_channel_setup & ATI_OUT_ENABLE))
+ return 0xf;
+
+ return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
+}
+
+static int atihdmi_paired_chmap_cea_alloc_validate_get_type(
+ struct hdac_chmap *chmap,
+ struct hdac_cea_channel_speaker_allocation *cap,
+ int channels)
+{
+ int c;
+
+ /*
+ * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
+ * we need to take that into account (a single channel may take 2
+ * channel slots if we need to carry a silent channel next to it).
+ * On Rev3+ AMD codecs this function is not used.
+ */
+ int chanpairs = 0;
+
+ /* We only produce even-numbered channel count TLVs */
+ if ((channels % 2) != 0)
+ return -1;
+
+ for (c = 0; c < 7; c += 2) {
+ if (cap->speakers[c] || cap->speakers[c+1])
+ chanpairs++;
+ }
+
+ if (chanpairs * 2 != channels)
+ return -1;
+
+ return SNDRV_CTL_TLVT_CHMAP_PAIRED;
+}
+
+static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct hdac_chmap *hchmap,
+ struct hdac_cea_channel_speaker_allocation *cap,
+ unsigned int *chmap, int channels)
+{
+ /* produce paired maps for pre-rev3 ATI/AMD codecs */
+ int count = 0;
+ int c;
+
+ for (c = 7; c >= 0; c--) {
+ int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
+ int spk = cap->speakers[chan];
+ if (!spk) {
+ /* add N/A channel if the companion channel is occupied */
+ if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
+ chmap[count++] = SNDRV_CHMAP_NA;
+
+ continue;
+ }
+
+ chmap[count++] = snd_hdac_spk_to_chmap(spk);
+ }
+
+ WARN_ON(count != channels);
+}
+
+static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
+ bool hbr)
+{
+ int hbr_ctl, hbr_ctl_new;
+
+ hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);
+ if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) {
+ if (hbr)
+ hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE;
+ else
+ hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE;
+
+ codec_dbg(codec,
+ "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n",
+ pin_nid,
+ hbr_ctl == hbr_ctl_new ? "" : "new-",
+ hbr_ctl_new);
+
+ if (hbr_ctl != hbr_ctl_new)
+ snd_hda_codec_write(codec, pin_nid, 0,
+ ATI_VERB_SET_HBR_CONTROL,
+ hbr_ctl_new);
+
+ } else if (hbr)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
+ hda_nid_t pin_nid, u32 stream_tag, int format)
+{
+
+ if (is_amdhdmi_rev3_or_later(codec)) {
+ int ramp_rate = 180; /* default as per AMD spec */
+ /* disable ramp-up/down for non-pcm as per AMD spec */
+ if (format & AC_FMT_TYPE_NON_PCM)
+ ramp_rate = 0;
+
+ snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
+ }
+
+ return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
+}
+
+
+static int atihdmi_init(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int pin_idx, err;
+
+ err = generic_hdmi_init(codec);
+
+ if (err)
+ return err;
+
+ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
+ struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
+
+ /* make sure downmix information in infoframe is zero */
+ snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
+
+ /* enable channel-wise remap mode if supported */
+ if (has_amd_full_remap_support(codec))
+ snd_hda_codec_write(codec, per_pin->pin_nid, 0,
+ ATI_VERB_SET_MULTICHANNEL_MODE,
+ ATI_MULTICHANNEL_MODE_SINGLE);
+ }
+
+ return 0;
+}
+
+static int patch_atihdmi(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec;
+ struct hdmi_spec_per_cvt *per_cvt;
+ int err, cvt_idx;
+
+ err = patch_generic_hdmi(codec);
+
+ if (err)
+ return err;
+
+ codec->patch_ops.init = atihdmi_init;
+
+ spec = codec->spec;
+
+ spec->ops.pin_get_eld = atihdmi_pin_get_eld;
+ spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
+ spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
+ spec->ops.setup_stream = atihdmi_setup_stream;
+
+ spec->chmap.ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;
+ spec->chmap.ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
+
+ if (!has_amd_full_remap_support(codec)) {
+ /* override to ATI/AMD-specific versions with pairwise mapping */
+ spec->chmap.ops.chmap_cea_alloc_validate_get_type =
+ atihdmi_paired_chmap_cea_alloc_validate_get_type;
+ spec->chmap.ops.cea_alloc_to_tlv_chmap =
+ atihdmi_paired_cea_alloc_to_tlv_chmap;
+ spec->chmap.ops.chmap_validate = atihdmi_paired_chmap_validate;
+ }
+
+ /* ATI/AMD converters do not advertise all of their capabilities */
+ for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
+ per_cvt = get_cvt(spec, cvt_idx);
+ per_cvt->channels_max = max(per_cvt->channels_max, 8u);
+ per_cvt->rates |= SUPPORTED_RATES;
+ per_cvt->formats |= SUPPORTED_FORMATS;
+ per_cvt->maxbps = max(per_cvt->maxbps, 24u);
+ }
+
+ spec->chmap.channels_max = max(spec->chmap.channels_max, 8u);
+
+ /* AMD GPUs have neither EPSS nor CLKSTOP bits, hence preventing
+ * the link-down as is. Tell the core to allow it.
+ */
+ codec->link_down_at_suspend = 1;
+
+ return 0;
+}
+
+/* VIA HDMI Implementation */
+#define VIAHDMI_CVT_NID 0x02 /* audio converter1 */
+#define VIAHDMI_PIN_NID 0x03 /* HDMI output pin1 */
+
+static int patch_via_hdmi(struct hda_codec *codec)
+{
+ return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
+}
+
+/*
+ * patch entries
+ */
+static const struct hda_device_id snd_hda_id_hdmi[] = {
+HDA_CODEC_ENTRY(0x1002793c, "RS600 HDMI", patch_atihdmi),
+HDA_CODEC_ENTRY(0x10027919, "RS600 HDMI", patch_atihdmi),
+HDA_CODEC_ENTRY(0x1002791a, "RS690/780 HDMI", patch_atihdmi),
+HDA_CODEC_ENTRY(0x1002aa01, "R6xx HDMI", patch_atihdmi),
+HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI", patch_generic_hdmi),
+HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI", patch_generic_hdmi),
+HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI", patch_generic_hdmi),
+HDA_CODEC_ENTRY(0x10de0001, "MCP73 HDMI", patch_nvhdmi_2ch),
+HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
+HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
+HDA_CODEC_ENTRY(0x10de0004, "GPU 04 HDMI", patch_nvhdmi_8ch_7x),
+HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
+HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
+HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI", patch_nvhdmi_8ch_7x),
+HDA_CODEC_ENTRY(0x10de0008, "GPU 08 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0009, "GPU 09 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP", patch_nvhdmi),
+/* 17 is known to be absent */
+HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0020, "Tegra30 HDMI", patch_tegra_hdmi),
+HDA_CODEC_ENTRY(0x10de0022, "Tegra114 HDMI", patch_tegra_hdmi),
+HDA_CODEC_ENTRY(0x10de0028, "Tegra124 HDMI", patch_tegra_hdmi),
+HDA_CODEC_ENTRY(0x10de0029, "Tegra210 HDMI/DP", patch_tegra_hdmi),
+HDA_CODEC_ENTRY(0x10de0040, "GPU 40 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0041, "GPU 41 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0045, "GPU 45 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0050, "GPU 50 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0052, "GPU 52 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0061, "GPU 61 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0062, "GPU 62 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI", patch_nvhdmi_2ch),
+HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0073, "GPU 73 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0074, "GPU 74 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0076, "GPU 76 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de007b, "GPU 7b HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de007c, "GPU 7c HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de007e, "GPU 7e HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0080, "GPU 80 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0081, "GPU 81 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0082, "GPU 82 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0083, "GPU 83 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0084, "GPU 84 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0090, "GPU 90 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0091, "GPU 91 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0092, "GPU 92 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0093, "GPU 93 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0094, "GPU 94 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0095, "GPU 95 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0097, "GPU 97 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0098, "GPU 98 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0099, "GPU 99 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI", patch_nvhdmi_2ch),
+HDA_CODEC_ENTRY(0x10de8067, "MCP67/68 HDMI", patch_nvhdmi_2ch),
+HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP", patch_via_hdmi),
+HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP", patch_via_hdmi),
+HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP", patch_generic_hdmi),
+HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP", patch_generic_hdmi),
+HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI", patch_i915_cpt_hdmi),
+HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI", patch_generic_hdmi),
+HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI", patch_generic_hdmi),
+HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI", patch_generic_hdmi),
+HDA_CODEC_ENTRY(0x80862804, "IbexPeak HDMI", patch_i915_cpt_hdmi),
+HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI", patch_i915_cpt_hdmi),
+HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_i915_cpt_hdmi),
+HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI", patch_i915_hsw_hdmi),
+HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI", patch_i915_hsw_hdmi),
+HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI", patch_i915_hsw_hdmi),
+HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI", patch_i915_hsw_hdmi),
+HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI", patch_i915_hsw_hdmi),
+HDA_CODEC_ENTRY(0x8086280c, "Cannonlake HDMI", patch_i915_glk_hdmi),
+HDA_CODEC_ENTRY(0x8086280d, "Geminilake HDMI", patch_i915_glk_hdmi),
+HDA_CODEC_ENTRY(0x80862800, "Geminilake HDMI", patch_i915_glk_hdmi),
+HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI", patch_generic_hdmi),
+HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_i915_byt_hdmi),
+HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI", patch_i915_byt_hdmi),
+HDA_CODEC_ENTRY(0x808629fb, "Crestline HDMI", patch_generic_hdmi),
+/* special ID for generic HDMI */
+HDA_CODEC_ENTRY(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", patch_generic_hdmi),
+{} /* terminator */
+};
+MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_hdmi);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("HDMI HD-audio codec");
+MODULE_ALIAS("snd-hda-codec-intelhdmi");
+MODULE_ALIAS("snd-hda-codec-nvhdmi");
+MODULE_ALIAS("snd-hda-codec-atihdmi");
+
+static struct hda_codec_driver hdmi_driver = {
+ .id = snd_hda_id_hdmi,
+};
+
+module_hda_codec_driver(hdmi_driver);